25732748

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 47761560

約数和(自身を除く): 22028812

約数列:

[1, 2, 4, 41, 43, 82, 86, 89, 164, 172, 178, 356, 1681, 1763, 3362, 3526, 3649, 3827, 6724, 7052, 7298, 7654, 14596, 15308, 72283, 144566, 149609, 156907, 289132, 299218, 313814, 598436, 627628, 6433187, 12866374, 25732748]

約数ペア:

[(1, 25732748), (2, 12866374), (4, 6433187), (41, 627628), (43, 598436), (82, 313814), (86, 299218), (89, 289132), (164, 156907), (172, 149609), (178, 144566), (356, 72283), (1681, 15308), (1763, 14596), (3362, 7654), (3526, 7298), (3649, 7052), (3827, 6724)]