178644804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^2$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 458837568

約数和(自身を除く): 280192764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 127, 142, 156, 213, 254, 284, 381, 426, 508, 762, 852, 923, 1524, 1651, 1846, 2769, 3302, 3692, 4953, 5538, 6604, 9017, 9906, 11076, 16129, 18034, 19812, 27051, 32258, 36068, 48387, 54102, 64516, 96774, 108204, 117221, 193548, 209677, 234442, 351663, 419354, 468884, 629031, 703326, 838708, 1145159, 1258062, 1406652, 2290318, 2516124, 3435477, 4580636, 6870954, 13741908, 14887067, 29774134, 44661201, 59548268, 89322402, 178644804]

約数ペア:

[(1, 178644804), (2, 89322402), (3, 59548268), (4, 44661201), (6, 29774134), (12, 14887067), (13, 13741908), (26, 6870954), (39, 4580636), (52, 3435477), (71, 2516124), (78, 2290318), (127, 1406652), (142, 1258062), (156, 1145159), (213, 838708), (254, 703326), (284, 629031), (381, 468884), (426, 419354), (508, 351663), (762, 234442), (852, 209677), (923, 193548), (1524, 117221), (1651, 108204), (1846, 96774), (2769, 64516), (3302, 54102), (3692, 48387), (4953, 36068), (5538, 32258), (6604, 27051), (9017, 19812), (9906, 18034), (11076, 16129)]