646908

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 1634304

約数和(自身を除く): 987396

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 47, 62, 74, 93, 94, 111, 124, 141, 148, 186, 188, 222, 282, 372, 444, 564, 1147, 1457, 1739, 2294, 2914, 3441, 3478, 4371, 4588, 5217, 5828, 6882, 6956, 8742, 10434, 13764, 17484, 20868, 53909, 107818, 161727, 215636, 323454, 646908]

約数ペア:

[(1, 646908), (2, 323454), (3, 215636), (4, 161727), (6, 107818), (12, 53909), (31, 20868), (37, 17484), (47, 13764), (62, 10434), (74, 8742), (93, 6956), (94, 6882), (111, 5828), (124, 5217), (141, 4588), (148, 4371), (186, 3478), (188, 3441), (222, 2914), (282, 2294), (372, 1739), (444, 1457), (564, 1147)]