221438864

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{137029}}^1$

素因数の和:137138

約数の個数: 20

約数和(自身を含む): 433288860

約数和(自身を除く): 211849996

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 137029, 274058, 548116, 1096232, 2192464, 13839929, 27679858, 55359716, 110719432, 221438864]

約数ペア:

[(1, 221438864), (2, 110719432), (4, 55359716), (8, 27679858), (16, 13839929), (101, 2192464), (202, 1096232), (404, 548116), (808, 274058), (1616, 137029)]