268351390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{947}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 495538560

約数和(自身を除く): 227187170

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 659, 947, 1318, 1894, 3295, 4735, 6590, 9470, 28337, 40721, 56674, 81442, 141685, 203605, 283370, 407210, 624073, 1248146, 3120365, 6240730, 26835139, 53670278, 134175695, 268351390]

約数ペア:

[(1, 268351390), (2, 134175695), (5, 53670278), (10, 26835139), (43, 6240730), (86, 3120365), (215, 1248146), (430, 624073), (659, 407210), (947, 283370), (1318, 203605), (1894, 141685), (3295, 81442), (4735, 56674), (6590, 40721), (9470, 28337)]