25476815

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 40410720

約数和(自身を除く): 14933905

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 421, 455, 637, 665, 931, 1235, 1729, 2105, 2947, 3185, 4655, 5473, 7999, 8645, 12103, 14735, 20629, 27365, 38311, 39995, 55993, 60515, 103145, 103987, 191555, 268177, 279965, 391951, 519935, 727909, 1340885, 1959755, 3639545, 5095363, 25476815]

約数ペア:

[(1, 25476815), (5, 5095363), (7, 3639545), (13, 1959755), (19, 1340885), (35, 727909), (49, 519935), (65, 391951), (91, 279965), (95, 268177), (133, 191555), (245, 103987), (247, 103145), (421, 60515), (455, 55993), (637, 39995), (665, 38311), (931, 27365), (1235, 20629), (1729, 14735), (2105, 12103), (2947, 8645), (3185, 7999), (4655, 5473)]