1989858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 4346496

約数和(自身を除く): 2356638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 263, 291, 526, 582, 789, 1261, 1578, 2522, 3419, 3783, 6838, 7566, 10257, 20514, 25511, 51022, 76533, 153066, 331643, 663286, 994929, 1989858]

約数ペア:

[(1, 1989858), (2, 994929), (3, 663286), (6, 331643), (13, 153066), (26, 76533), (39, 51022), (78, 25511), (97, 20514), (194, 10257), (263, 7566), (291, 6838), (526, 3783), (582, 3419), (789, 2522), (1261, 1578)]