38807405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 22438675

約数列:

[1, 5, 7, 13, 19, 35, 65, 67, 91, 95, 133, 247, 335, 455, 469, 665, 871, 1235, 1273, 1729, 2345, 4355, 4489, 6097, 6365, 8645, 8911, 16549, 22445, 30485, 31423, 44555, 58357, 82745, 85291, 115843, 157115, 291785, 408499, 426455, 579215, 597037, 1108783, 2042495, 2985185, 5543915, 7761481, 38807405]

約数ペア:

[(1, 38807405), (5, 7761481), (7, 5543915), (13, 2985185), (19, 2042495), (35, 1108783), (65, 597037), (67, 579215), (91, 426455), (95, 408499), (133, 291785), (247, 157115), (335, 115843), (455, 85291), (469, 82745), (665, 58357), (871, 44555), (1235, 31423), (1273, 30485), (1729, 22445), (2345, 16549), (4355, 8911), (4489, 8645), (6097, 6365)]