78609865

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 99975960

約数和(自身を除く): 21366095

約数列:

[1, 5, 29, 53, 145, 193, 265, 965, 1537, 2809, 5597, 7685, 10229, 14045, 27985, 51145, 81461, 296641, 407305, 542137, 1483205, 2710685, 15721973, 78609865]

約数ペア:

[(1, 78609865), (5, 15721973), (29, 2710685), (53, 1483205), (145, 542137), (193, 407305), (265, 296641), (965, 81461), (1537, 51145), (2809, 27985), (5597, 14045), (7685, 10229)]