31235456

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 72264960

約数和(自身を除く): 41029504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 491, 497, 568, 896, 982, 994, 1136, 1964, 1988, 2272, 3437, 3928, 3976, 4544, 6874, 7856, 7952, 9088, 13748, 15712, 15904, 27496, 31424, 31808, 34861, 54992, 62848, 63616, 69722, 109984, 139444, 219968, 244027, 278888, 439936, 488054, 557776, 976108, 1115552, 1952216, 2231104, 3904432, 4462208, 7808864, 15617728, 31235456]

約数ペア:

[(1, 31235456), (2, 15617728), (4, 7808864), (7, 4462208), (8, 3904432), (14, 2231104), (16, 1952216), (28, 1115552), (32, 976108), (56, 557776), (64, 488054), (71, 439936), (112, 278888), (128, 244027), (142, 219968), (224, 139444), (284, 109984), (448, 69722), (491, 63616), (497, 62848), (568, 54992), (896, 34861), (982, 31808), (994, 31424), (1136, 27496), (1964, 15904), (1988, 15712), (2272, 13748), (3437, 9088), (3928, 7952), (3976, 7856), (4544, 6874)]