245778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 556416

約数和(自身を除く): 310638

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 137, 138, 274, 299, 411, 598, 822, 897, 1781, 1794, 3151, 3562, 5343, 6302, 9453, 10686, 18906, 40963, 81926, 122889, 245778]

約数ペア:

[(1, 245778), (2, 122889), (3, 81926), (6, 40963), (13, 18906), (23, 10686), (26, 9453), (39, 6302), (46, 5343), (69, 3562), (78, 3151), (137, 1794), (138, 1781), (274, 897), (299, 822), (411, 598)]