7945406638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{10837}}^1$

素因数の和:11188

約数の個数: 32

約数和(自身を含む): 12989473056

約数和(自身を除く): 5044066418

約数列:

[1, 2, 13, 26, 163, 173, 326, 346, 2119, 2249, 4238, 4498, 10837, 21674, 28199, 56398, 140881, 281762, 366587, 733174, 1766431, 1874801, 3532862, 3749602, 22963603, 24372413, 45927206, 48744826, 305592563, 611185126, 3972703319, 7945406638]

約数ペア:

[(1, 7945406638), (2, 3972703319), (13, 611185126), (26, 305592563), (163, 48744826), (173, 45927206), (326, 24372413), (346, 22963603), (2119, 3749602), (2249, 3532862), (4238, 1874801), (4498, 1766431), (10837, 733174), (21674, 366587), (28199, 281762), (56398, 140881)]