66838675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 87772160

約数和(自身を除く): 20933485

約数列:

[1, 5, 19, 25, 95, 223, 475, 631, 1115, 3155, 4237, 5575, 11989, 15775, 21185, 59945, 105925, 140713, 299725, 703565, 2673547, 3517825, 13367735, 66838675]

約数ペア:

[(1, 66838675), (5, 13367735), (19, 3517825), (25, 2673547), (95, 703565), (223, 299725), (475, 140713), (631, 105925), (1115, 59945), (3155, 21185), (4237, 15775), (5575, 11989)]