131201728

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4801}}^1$

素因数の和:4881

約数の個数: 56

約数和(自身を含む): 302487584

約数和(自身を除く): 171285856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 854, 976, 1708, 1952, 3416, 3904, 4801, 6832, 9602, 13664, 19204, 27328, 33607, 38408, 67214, 76816, 134428, 153632, 268856, 292861, 307264, 537712, 585722, 1075424, 1171444, 2050027, 2150848, 2342888, 4100054, 4685776, 8200108, 9371552, 16400216, 18743104, 32800432, 65600864, 131201728]

約数ペア:

[(1, 131201728), (2, 65600864), (4, 32800432), (7, 18743104), (8, 16400216), (14, 9371552), (16, 8200108), (28, 4685776), (32, 4100054), (56, 2342888), (61, 2150848), (64, 2050027), (112, 1171444), (122, 1075424), (224, 585722), (244, 537712), (427, 307264), (448, 292861), (488, 268856), (854, 153632), (976, 134428), (1708, 76816), (1952, 67214), (3416, 38408), (3904, 33607), (4801, 27328), (6832, 19204), (9602, 13664)]