217496816

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{99223}}^1$

素因数の和:99368

約数の個数: 20

約数和(自身を含む): 424480272

約数和(自身を除く): 206983456

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 99223, 198446, 396892, 793784, 1587568, 13593551, 27187102, 54374204, 108748408, 217496816]

約数ペア:

[(1, 217496816), (2, 108748408), (4, 54374204), (8, 27187102), (16, 13593551), (137, 1587568), (274, 793784), (548, 396892), (1096, 198446), (2192, 99223)]