311987624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{7481}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 631630440

約数和(自身を除く): 319642816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 1604, 3208, 5213, 7481, 10426, 14962, 20852, 29924, 41704, 59848, 97253, 194506, 389012, 778024, 2999881, 5999762, 11999524, 23999048, 38998453, 77996906, 155993812, 311987624]

約数ペア:

[(1, 311987624), (2, 155993812), (4, 77996906), (8, 38998453), (13, 23999048), (26, 11999524), (52, 5999762), (104, 2999881), (401, 778024), (802, 389012), (1604, 194506), (3208, 97253), (5213, 59848), (7481, 41704), (10426, 29924), (14962, 20852)]