31907456

素因数分解:

$2^7\times 7^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 73440000

約数和(自身を除く): 41532544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 239, 298, 448, 478, 596, 896, 956, 1043, 1192, 1673, 1912, 2086, 2384, 3346, 3824, 4172, 4768, 6692, 7648, 8344, 9536, 13384, 15296, 16688, 19072, 26768, 30592, 33376, 35611, 53536, 66752, 71222, 107072, 133504, 142444, 214144, 249277, 284888, 498554, 569776, 997108, 1139552, 1994216, 2279104, 3988432, 4558208, 7976864, 15953728, 31907456]

約数ペア:

[(1, 31907456), (2, 15953728), (4, 7976864), (7, 4558208), (8, 3988432), (14, 2279104), (16, 1994216), (28, 1139552), (32, 997108), (56, 569776), (64, 498554), (112, 284888), (128, 249277), (149, 214144), (224, 142444), (239, 133504), (298, 107072), (448, 71222), (478, 66752), (596, 53536), (896, 35611), (956, 33376), (1043, 30592), (1192, 26768), (1673, 19072), (1912, 16688), (2086, 15296), (2384, 13384), (3346, 9536), (3824, 8344), (4172, 7648), (4768, 6692)]