1640348547835

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1\times {\mathrm{4111}}^1\times {\mathrm{4241}}^1$

素因数の和:8995

約数の個数: 32

約数和(自身を含む): 2036238188544

約数和(自身を除く): 395889640709

約数列:

[1, 5, 31, 155, 607, 3035, 4111, 4241, 18817, 20555, 21205, 94085, 127441, 131471, 637205, 657355, 2495377, 2574287, 12476885, 12871435, 17434751, 77356687, 79802897, 87173755, 386783435, 399014485, 540477281, 2702386405, 10582893857, 52914469285, 328069709567, 1640348547835]

約数ペア:

[(1, 1640348547835), (5, 328069709567), (31, 52914469285), (155, 10582893857), (607, 2702386405), (3035, 540477281), (4111, 399014485), (4241, 386783435), (18817, 87173755), (20555, 79802897), (21205, 77356687), (94085, 17434751), (127441, 12871435), (131471, 12476885), (637205, 2574287), (657355, 2495377)]