6418945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 9078048

約数和(自身を除く): 2659103

約数列:

[1, 5, 13, 17, 37, 65, 85, 157, 185, 221, 481, 629, 785, 1105, 2041, 2405, 2669, 3145, 5809, 8177, 10205, 13345, 29045, 34697, 40885, 75517, 98753, 173485, 377585, 493765, 1283789, 6418945]

約数ペア:

[(1, 6418945), (5, 1283789), (13, 493765), (17, 377585), (37, 173485), (65, 98753), (85, 75517), (157, 40885), (185, 34697), (221, 29045), (481, 13345), (629, 10205), (785, 8177), (1105, 5809), (2041, 3145), (2405, 2669)]