279428370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{716483}}^1$

素因数の和:716506

約数の個数: 32

約数和(自身を含む): 722215872

約数和(自身を除く): 442787502

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 716483, 1432966, 2149449, 3582415, 4298898, 7164830, 9314279, 10747245, 18628558, 21494490, 27942837, 46571395, 55885674, 93142790, 139714185, 279428370]

約数ペア:

[(1, 279428370), (2, 139714185), (3, 93142790), (5, 55885674), (6, 46571395), (10, 27942837), (13, 21494490), (15, 18628558), (26, 10747245), (30, 9314279), (39, 7164830), (65, 4298898), (78, 3582415), (130, 2149449), (195, 1432966), (390, 716483)]