31914128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 66995712

約数和(自身を除く): 35081584

約数列:

[1, 2, 4, 8, 16, 31, 37, 47, 62, 74, 94, 124, 148, 188, 248, 296, 376, 496, 592, 752, 1147, 1369, 1457, 1739, 2294, 2738, 2914, 3478, 4588, 5476, 5828, 6956, 9176, 10952, 11656, 13912, 18352, 21904, 23312, 27824, 42439, 53909, 64343, 84878, 107818, 128686, 169756, 215636, 257372, 339512, 431272, 514744, 679024, 862544, 1029488, 1994633, 3989266, 7978532, 15957064, 31914128]

約数ペア:

[(1, 31914128), (2, 15957064), (4, 7978532), (8, 3989266), (16, 1994633), (31, 1029488), (37, 862544), (47, 679024), (62, 514744), (74, 431272), (94, 339512), (124, 257372), (148, 215636), (188, 169756), (248, 128686), (296, 107818), (376, 84878), (496, 64343), (592, 53909), (752, 42439), (1147, 27824), (1369, 23312), (1457, 21904), (1739, 18352), (2294, 13912), (2738, 11656), (2914, 10952), (3478, 9176), (4588, 6956), (5476, 5828)]