199863856

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{29671}}^1$

素因数の和:30100

約数の個数: 20

約数和(自身を含む): 388169104

約数和(自身を除く): 188305248

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 29671, 59342, 118684, 237368, 474736, 12491491, 24982982, 49965964, 99931928, 199863856]

約数ペア:

[(1, 199863856), (2, 99931928), (4, 49965964), (8, 24982982), (16, 12491491), (421, 474736), (842, 237368), (1684, 118684), (3368, 59342), (6736, 29671)]