31997570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 67744512

約数和(自身を除く): 35746942

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 142, 170, 187, 241, 355, 374, 482, 710, 781, 935, 1205, 1207, 1562, 1870, 2410, 2414, 2651, 3905, 4097, 5302, 6035, 7810, 8194, 12070, 13255, 13277, 17111, 20485, 26510, 26554, 34222, 40970, 45067, 66385, 85555, 90134, 132770, 171110, 188221, 225335, 290887, 376442, 450670, 581774, 941105, 1454435, 1882210, 2908870, 3199757, 6399514, 15998785, 31997570]

約数ペア:

[(1, 31997570), (2, 15998785), (5, 6399514), (10, 3199757), (11, 2908870), (17, 1882210), (22, 1454435), (34, 941105), (55, 581774), (71, 450670), (85, 376442), (110, 290887), (142, 225335), (170, 188221), (187, 171110), (241, 132770), (355, 90134), (374, 85555), (482, 66385), (710, 45067), (781, 40970), (935, 34222), (1205, 26554), (1207, 26510), (1562, 20485), (1870, 17111), (2410, 13277), (2414, 13255), (2651, 12070), (3905, 8194), (4097, 7810), (5302, 6035)]