67786748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1721}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 121986480

約数和(自身を除く): 54199732

約数列:

[1, 2, 4, 43, 86, 172, 229, 458, 916, 1721, 3442, 6884, 9847, 19694, 39388, 74003, 148006, 296012, 394109, 788218, 1576436, 16946687, 33893374, 67786748]

約数ペア:

[(1, 67786748), (2, 33893374), (4, 16946687), (43, 1576436), (86, 788218), (172, 394109), (229, 296012), (458, 148006), (916, 74003), (1721, 39388), (3442, 19694), (6884, 9847)]