42219775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3571

約数の個数: 24

約数和(自身を含む): 57919904

約数和(自身を除く): 15700129

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 3511, 12025, 17555, 45643, 87775, 129907, 228215, 649535, 1141075, 1688791, 3247675, 8443955, 42219775]

約数ペア:

[(1, 42219775), (5, 8443955), (13, 3247675), (25, 1688791), (37, 1141075), (65, 649535), (185, 228215), (325, 129907), (481, 87775), (925, 45643), (2405, 17555), (3511, 12025)]