257027862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27691}}^1$

素因数の和:27733

約数の個数: 64

約数和(自身を含む): 669924864

約数和(自身を除く): 412897002

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 3094, 4641, 9282, 27691, 55382, 83073, 166146, 193837, 359983, 387674, 470747, 581511, 719966, 941494, 1079949, 1163022, 1412241, 2159898, 2519881, 2824482, 3295229, 5039762, 6119711, 6590458, 7559643, 9885687, 12239422, 15119286, 18359133, 19771374, 36718266, 42837977, 85675954, 128513931, 257027862]

約数ペア:

[(1, 257027862), (2, 128513931), (3, 85675954), (6, 42837977), (7, 36718266), (13, 19771374), (14, 18359133), (17, 15119286), (21, 12239422), (26, 9885687), (34, 7559643), (39, 6590458), (42, 6119711), (51, 5039762), (78, 3295229), (91, 2824482), (102, 2519881), (119, 2159898), (182, 1412241), (221, 1163022), (238, 1079949), (273, 941494), (357, 719966), (442, 581511), (546, 470747), (663, 387674), (714, 359983), (1326, 193837), (1547, 166146), (3094, 83073), (4641, 55382), (9282, 27691)]