647728848

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18211}}^1$

素因数の和:18257

約数の個数: 120

約数和(自身を含む): 2055042080

約数和(自身を除く): 1407313232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 624, 684, 741, 912, 936, 988, 1368, 1482, 1872, 1976, 2223, 2736, 2964, 3952, 4446, 5928, 8892, 11856, 17784, 18211, 35568, 36422, 54633, 72844, 109266, 145688, 163899, 218532, 236743, 291376, 327798, 346009, 437064, 473486, 655596, 692018, 710229, 874128, 946972, 1038027, 1311192, 1384036, 1420458, 1893944, 2076054, 2130687, 2622384, 2768072, 2840916, 3114081, 3787888, 4152108, 4261374, 4498117, 5536144, 5681832, 6228162, 8304216, 8522748, 8996234, 11363664, 12456324, 13494351, 16608432, 17045496, 17992468, 24912648, 26988702, 34090992, 35984936, 40483053, 49825296, 53977404, 71969872, 80966106, 107954808, 161932212, 215909616, 323864424, 647728848]

約数ペア:

[(1, 647728848), (2, 323864424), (3, 215909616), (4, 161932212), (6, 107954808), (8, 80966106), (9, 71969872), (12, 53977404), (13, 49825296), (16, 40483053), (18, 35984936), (19, 34090992), (24, 26988702), (26, 24912648), (36, 17992468), (38, 17045496), (39, 16608432), (48, 13494351), (52, 12456324), (57, 11363664), (72, 8996234), (76, 8522748), (78, 8304216), (104, 6228162), (114, 5681832), (117, 5536144), (144, 4498117), (152, 4261374), (156, 4152108), (171, 3787888), (208, 3114081), (228, 2840916), (234, 2768072), (247, 2622384), (304, 2130687), (312, 2076054), (342, 1893944), (456, 1420458), (468, 1384036), (494, 1311192), (624, 1038027), (684, 946972), (741, 874128), (912, 710229), (936, 692018), (988, 655596), (1368, 473486), (1482, 437064), (1872, 346009), (1976, 327798), (2223, 291376), (2736, 236743), (2964, 218532), (3952, 163899), (4446, 145688), (5928, 109266), (8892, 72844), (11856, 54633), (17784, 36422), (18211, 35568)]