284778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1238

約数の個数: 24

約数和(自身を含む): 665028

約数和(自身を除く): 380250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1217, 2434, 3651, 7302, 10953, 15821, 21906, 31642, 47463, 94926, 142389, 284778]

約数ペア:

[(1, 284778), (2, 142389), (3, 94926), (6, 47463), (9, 31642), (13, 21906), (18, 15821), (26, 10953), (39, 7302), (78, 3651), (117, 2434), (234, 1217)]