389087894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 640646496

約数和(自身を除く): 251558602

約数列:

[1, 2, 13, 26, 67, 134, 401, 557, 802, 871, 1114, 1742, 5213, 7241, 10426, 14482, 26867, 37319, 53734, 74638, 223357, 349271, 446714, 485147, 698542, 970294, 2903641, 5807282, 14964919, 29929838, 194543947, 389087894]

約数ペア:

[(1, 389087894), (2, 194543947), (13, 29929838), (26, 14964919), (67, 5807282), (134, 2903641), (401, 970294), (557, 698542), (802, 485147), (871, 446714), (1114, 349271), (1742, 223357), (5213, 74638), (7241, 53734), (10426, 37319), (14482, 26867)]