28640222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 48220704

約数和(自身を除く): 19580482

約数列:

[1, 2, 13, 26, 41, 67, 82, 134, 401, 533, 802, 871, 1066, 1742, 2747, 5213, 5494, 10426, 16441, 26867, 32882, 35711, 53734, 71422, 213733, 349271, 427466, 698542, 1101547, 2203094, 14320111, 28640222]

約数ペア:

[(1, 28640222), (2, 14320111), (13, 2203094), (26, 1101547), (41, 698542), (67, 427466), (82, 349271), (134, 213733), (401, 71422), (533, 53734), (802, 35711), (871, 32882), (1066, 26867), (1742, 16441), (2747, 10426), (5213, 5494)]