221245908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1418243}}^1$

素因数の和:1418263

約数の個数: 24

約数和(自身を含む): 555951648

約数和(自身を除く): 334705740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1418243, 2836486, 4254729, 5672972, 8509458, 17018916, 18437159, 36874318, 55311477, 73748636, 110622954, 221245908]

約数ペア:

[(1, 221245908), (2, 110622954), (3, 73748636), (4, 55311477), (6, 36874318), (12, 18437159), (13, 17018916), (26, 8509458), (39, 5672972), (52, 4254729), (78, 2836486), (156, 1418243)]