408030416

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{194671}}^1$

素因数の和:194810

約数の個数: 20

約数和(自身を含む): 796597824

約数和(自身を除く): 388567408

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 194671, 389342, 778684, 1557368, 3114736, 25501901, 51003802, 102007604, 204015208, 408030416]

約数ペア:

[(1, 408030416), (2, 204015208), (4, 102007604), (8, 51003802), (16, 25501901), (131, 3114736), (262, 1557368), (524, 778684), (1048, 389342), (2096, 194671)]