201778655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 274337280

約数和(自身を除く): 72558625

約数列:

[1, 5, 13, 23, 65, 115, 139, 299, 695, 971, 1495, 1807, 3197, 4855, 9035, 12623, 15985, 22333, 41561, 63115, 111665, 134969, 207805, 290329, 674845, 1451645, 1754597, 3104287, 8772985, 15521435, 40355731, 201778655]

約数ペア:

[(1, 201778655), (5, 40355731), (13, 15521435), (23, 8772985), (65, 3104287), (115, 1754597), (139, 1451645), (299, 674845), (695, 290329), (971, 207805), (1495, 134969), (1807, 111665), (3197, 63115), (4855, 41561), (9035, 22333), (12623, 15985)]