1279897918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{734729}}^1$

素因数の和:734811

約数の個数: 16

約数和(自身を含む): 2098388880

約数和(自身を除く): 818490962

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 734729, 1469458, 9551477, 19102954, 49226843, 98453686, 639948959, 1279897918]

約数ペア:

[(1, 1279897918), (2, 639948959), (13, 98453686), (26, 49226843), (67, 19102954), (134, 9551477), (871, 1469458), (1742, 734729)]