213405968

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{55807}}^1$

素因数の和:56054

約数の個数: 20

約数和(自身を含む): 415211520

約数和(自身を除く): 201805552

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 55807, 111614, 223228, 446456, 892912, 13337873, 26675746, 53351492, 106702984, 213405968]

約数ペア:

[(1, 213405968), (2, 106702984), (4, 53351492), (8, 26675746), (16, 13337873), (239, 892912), (478, 446456), (956, 223228), (1912, 111614), (3824, 55807)]