77990406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1447}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 168338688

約数和(自身を除く): 90348282

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 691, 1382, 1447, 2073, 2894, 4146, 4341, 8682, 8983, 17966, 18811, 26949, 37622, 53898, 56433, 112866, 999877, 1999754, 2999631, 5999262, 12998401, 25996802, 38995203, 77990406]

約数ペア:

[(1, 77990406), (2, 38995203), (3, 25996802), (6, 12998401), (13, 5999262), (26, 2999631), (39, 1999754), (78, 999877), (691, 112866), (1382, 56433), (1447, 53898), (2073, 37622), (2894, 26949), (4146, 18811), (4341, 17966), (8682, 8983)]