211327870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9973}}^1$

素因数の和:10156

約数の個数: 32

約数和(自身を含む): 412205472

約数和(自身を除く): 200877602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 9973, 10595, 19946, 21190, 49865, 99730, 129649, 259298, 648245, 1296490, 1625599, 3251198, 8127995, 16255990, 21132787, 42265574, 105663935, 211327870]

約数ペア:

[(1, 211327870), (2, 105663935), (5, 42265574), (10, 21132787), (13, 16255990), (26, 8127995), (65, 3251198), (130, 1625599), (163, 1296490), (326, 648245), (815, 259298), (1630, 129649), (2119, 99730), (4238, 49865), (9973, 21190), (10595, 19946)]