331830205

素因数分解:

$5^1\times 7^4\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 470299104

約数和(自身を除く): 138468899

約数列:

[1, 5, 7, 35, 49, 131, 211, 245, 343, 655, 917, 1055, 1477, 1715, 2401, 4585, 6419, 7385, 10339, 12005, 27641, 32095, 44933, 51695, 72373, 138205, 193487, 224665, 314531, 361865, 506611, 967435, 1354409, 1572655, 2533055, 6772045, 9480863, 47404315, 66366041, 331830205]

約数ペア:

[(1, 331830205), (5, 66366041), (7, 47404315), (35, 9480863), (49, 6772045), (131, 2533055), (211, 1572655), (245, 1354409), (343, 967435), (655, 506611), (917, 361865), (1055, 314531), (1477, 224665), (1715, 193487), (2401, 138205), (4585, 72373), (6419, 51695), (7385, 44933), (10339, 32095), (12005, 27641)]