220844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 432768

約数和(自身を除く): 211924

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 137, 274, 403, 548, 806, 1612, 1781, 3562, 4247, 7124, 8494, 16988, 55211, 110422, 220844]

約数ペア:

[(1, 220844), (2, 110422), (4, 55211), (13, 16988), (26, 8494), (31, 7124), (52, 4247), (62, 3562), (124, 1781), (137, 1612), (274, 806), (403, 548)]