72800497

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 98977536

約数和(自身を除く): 26177039

約数列:

[1, 7, 11, 23, 37, 77, 101, 121, 161, 253, 259, 407, 707, 847, 851, 1111, 1771, 2323, 2783, 2849, 3737, 4477, 5957, 7777, 9361, 12221, 16261, 19481, 25553, 26159, 31339, 41107, 65527, 85547, 85951, 102971, 178871, 281083, 287749, 452177, 601657, 720797, 945461, 1967581, 3165239, 6618227, 10400071, 72800497]

約数ペア:

[(1, 72800497), (7, 10400071), (11, 6618227), (23, 3165239), (37, 1967581), (77, 945461), (101, 720797), (121, 601657), (161, 452177), (253, 287749), (259, 281083), (407, 178871), (707, 102971), (847, 85951), (851, 85547), (1111, 65527), (1771, 41107), (2323, 31339), (2783, 26159), (2849, 25553), (3737, 19481), (4477, 16261), (5957, 12221), (7777, 9361)]