212210375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3037}}^1$

素因数の和:3108

約数の個数: 32

約数和(自身を含む): 291939648

約数和(自身を除く): 79729273

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 559, 1075, 1625, 2795, 3037, 5375, 13975, 15185, 39481, 69875, 75925, 130591, 197405, 379625, 652955, 987025, 1697683, 3264775, 4935125, 8488415, 16323875, 42442075, 212210375]

約数ペア:

[(1, 212210375), (5, 42442075), (13, 16323875), (25, 8488415), (43, 4935125), (65, 3264775), (125, 1697683), (215, 987025), (325, 652955), (559, 379625), (1075, 197405), (1625, 130591), (2795, 75925), (3037, 69875), (5375, 39481), (13975, 15185)]