71609993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 94080000

約数和(自身を除く): 22470007

約数列:

[1, 7, 13, 19, 83, 91, 133, 247, 499, 581, 1079, 1577, 1729, 3493, 6487, 7553, 9481, 11039, 20501, 41417, 45409, 66367, 123253, 143507, 289919, 538421, 786923, 862771, 3768947, 5508461, 10229999, 71609993]

約数ペア:

[(1, 71609993), (7, 10229999), (13, 5508461), (19, 3768947), (83, 862771), (91, 786923), (133, 538421), (247, 289919), (499, 143507), (581, 123253), (1079, 66367), (1577, 45409), (1729, 41417), (3493, 20501), (6487, 11039), (7553, 9481)]