781794

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 36

約数和(自身を含む): 1841346

約数和(自身を除く): 1059552

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 257, 338, 507, 514, 771, 1014, 1521, 1542, 2313, 3042, 3341, 4626, 6682, 10023, 20046, 30069, 43433, 60138, 86866, 130299, 260598, 390897, 781794]

約数ペア:

[(1, 781794), (2, 390897), (3, 260598), (6, 130299), (9, 86866), (13, 60138), (18, 43433), (26, 30069), (39, 20046), (78, 10023), (117, 6682), (169, 4626), (234, 3341), (257, 3042), (338, 2313), (507, 1542), (514, 1521), (771, 1014)]