68481968

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{115679}}^1$

素因数の和:115724

約数の個数: 20

約数和(自身を含む): 136271040

約数和(自身を除く): 67789072

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 115679, 231358, 462716, 925432, 1850864, 4280123, 8560246, 17120492, 34240984, 68481968]

約数ペア:

[(1, 68481968), (2, 34240984), (4, 17120492), (8, 8560246), (16, 4280123), (37, 1850864), (74, 925432), (148, 462716), (296, 231358), (592, 115679)]