39981786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1949}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 86486400

約数和(自身を除く): 46504614

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1578, 1949, 3419, 3898, 5847, 6838, 10257, 11694, 20514, 25337, 50674, 76011, 152022, 512587, 1025174, 1537761, 3075522, 6663631, 13327262, 19990893, 39981786]

約数ペア:

[(1, 39981786), (2, 19990893), (3, 13327262), (6, 6663631), (13, 3075522), (26, 1537761), (39, 1025174), (78, 512587), (263, 152022), (526, 76011), (789, 50674), (1578, 25337), (1949, 20514), (3419, 11694), (3898, 10257), (5847, 6838)]