290154914

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 504631296

約数和(自身を除く): 214476382

約数列:

[1, 2, 7, 14, 103, 206, 311, 622, 647, 721, 1294, 1442, 2177, 4354, 4529, 9058, 32033, 64066, 66641, 133282, 201217, 224231, 402434, 448462, 466487, 932974, 1408519, 2817038, 20725351, 41450702, 145077457, 290154914]

約数ペア:

[(1, 290154914), (2, 145077457), (7, 41450702), (14, 20725351), (103, 2817038), (206, 1408519), (311, 932974), (622, 466487), (647, 448462), (721, 402434), (1294, 224231), (1442, 201217), (2177, 133282), (4354, 66641), (4529, 64066), (9058, 32033)]