256143454164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{38737}}^1$

素因数の和:39030

約数の個数: 144

約数和(自身を含む): 710671852800

約数和(自身を除く): 454528398636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 199, 213, 234, 284, 398, 426, 468, 597, 639, 796, 852, 923, 1194, 1278, 1791, 1846, 2388, 2556, 2587, 2769, 3582, 3692, 5174, 5538, 7164, 7761, 8307, 10348, 11076, 14129, 15522, 16614, 23283, 28258, 31044, 33228, 38737, 42387, 46566, 56516, 77474, 84774, 93132, 116211, 127161, 154948, 169548, 183677, 232422, 254322, 348633, 367354, 464844, 503581, 508644, 551031, 697266, 734708, 1007162, 1102062, 1394532, 1510743, 1653093, 2014324, 2204124, 2750327, 3021486, 3306186, 4532229, 5500654, 6042972, 6612372, 7708663, 8250981, 9064458, 11001308, 15417326, 16501962, 18128916, 23125989, 24752943, 30834652, 33003924, 35754251, 46251978, 49505886, 69377967, 71508502, 92503956, 99011772, 100212619, 107262753, 138755934, 143017004, 200425238, 214525506, 277511868, 300637857, 321788259, 400850476, 429051012, 547315073, 601275714, 643576518, 901913571, 1094630146, 1202551428, 1287153036, 1641945219, 1803827142, 2189260292, 3283890438, 3607654284, 4925835657, 6567780876, 7115095949, 9851671314, 14230191898, 19703342628, 21345287847, 28460383796, 42690575694, 64035863541, 85381151388, 128071727082, 256143454164]

約数ペア:

[(1, 256143454164), (2, 128071727082), (3, 85381151388), (4, 64035863541), (6, 42690575694), (9, 28460383796), (12, 21345287847), (13, 19703342628), (18, 14230191898), (26, 9851671314), (36, 7115095949), (39, 6567780876), (52, 4925835657), (71, 3607654284), (78, 3283890438), (117, 2189260292), (142, 1803827142), (156, 1641945219), (199, 1287153036), (213, 1202551428), (234, 1094630146), (284, 901913571), (398, 643576518), (426, 601275714), (468, 547315073), (597, 429051012), (639, 400850476), (796, 321788259), (852, 300637857), (923, 277511868), (1194, 214525506), (1278, 200425238), (1791, 143017004), (1846, 138755934), (2388, 107262753), (2556, 100212619), (2587, 99011772), (2769, 92503956), (3582, 71508502), (3692, 69377967), (5174, 49505886), (5538, 46251978), (7164, 35754251), (7761, 33003924), (8307, 30834652), (10348, 24752943), (11076, 23125989), (14129, 18128916), (15522, 16501962), (16614, 15417326), (23283, 11001308), (28258, 9064458), (31044, 8250981), (33228, 7708663), (38737, 6612372), (42387, 6042972), (46566, 5500654), (56516, 4532229), (77474, 3306186), (84774, 3021486), (93132, 2750327), (116211, 2204124), (127161, 2014324), (154948, 1653093), (169548, 1510743), (183677, 1394532), (232422, 1102062), (254322, 1007162), (348633, 734708), (367354, 697266), (464844, 551031), (503581, 508644)]