64691408

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{18131}}^1$

素因数の和:18362

約数の個数: 20

約数和(自身を含む): 125908608

約数和(自身を除く): 61217200

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 18131, 36262, 72524, 145048, 290096, 4043213, 8086426, 16172852, 32345704, 64691408]

約数ペア:

[(1, 64691408), (2, 32345704), (4, 16172852), (8, 8086426), (16, 4043213), (223, 290096), (446, 145048), (892, 72524), (1784, 36262), (3568, 18131)]