290804502

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{3257}}^1$

素因数の和:3932

約数の個数: 32

約数和(自身を含む): 608020992

約数和(自身を除く): 317216490

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 647, 1294, 1941, 3257, 3882, 6514, 9771, 14881, 19542, 29762, 44643, 74911, 89286, 149822, 224733, 449466, 2107279, 4214558, 6321837, 12643674, 48467417, 96934834, 145402251, 290804502]

約数ペア:

[(1, 290804502), (2, 145402251), (3, 96934834), (6, 48467417), (23, 12643674), (46, 6321837), (69, 4214558), (138, 2107279), (647, 449466), (1294, 224733), (1941, 149822), (3257, 89286), (3882, 74911), (6514, 44643), (9771, 29762), (14881, 19542)]