217966684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{8537}}^1$

素因数の和:9045

約数の個数: 24

約数和(自身を含む): 411668208

約数和(自身を除く): 193701524

約数列:

[1, 2, 4, 13, 26, 52, 491, 982, 1964, 6383, 8537, 12766, 17074, 25532, 34148, 110981, 221962, 443924, 4191667, 8383334, 16766668, 54491671, 108983342, 217966684]

約数ペア:

[(1, 217966684), (2, 108983342), (4, 54491671), (13, 16766668), (26, 8383334), (52, 4191667), (491, 443924), (982, 221962), (1964, 110981), (6383, 34148), (8537, 25532), (12766, 17074)]