42289775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 58167408

約数和(自身を除く): 15877633

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 2521, 3355, 12605, 16775, 27731, 63025, 138655, 153781, 693275, 768905, 1691591, 3844525, 8457955, 42289775]

約数ペア:

[(1, 42289775), (5, 8457955), (11, 3844525), (25, 1691591), (55, 768905), (61, 693275), (275, 153781), (305, 138655), (671, 63025), (1525, 27731), (2521, 16775), (3355, 12605)]