221938652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{99257}}^1$

素因数の和:99317

約数の個数: 24

約数和(自身を含む): 428000496

約数和(自身を除く): 206061844

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 99257, 198514, 397028, 1290341, 2580682, 4268051, 5161364, 8536102, 17072204, 55484663, 110969326, 221938652]

約数ペア:

[(1, 221938652), (2, 110969326), (4, 55484663), (13, 17072204), (26, 8536102), (43, 5161364), (52, 4268051), (86, 2580682), (172, 1290341), (559, 397028), (1118, 198514), (2236, 99257)]