278375994

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{396547}}^1$

素因数の和:396571

約数の個数: 32

約数和(自身を含む): 666200640

約数和(自身を除く): 387824646

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 396547, 793094, 1189641, 2379282, 3568923, 5155111, 7137846, 10310222, 10706769, 15465333, 21413538, 30930666, 46395999, 92791998, 139187997, 278375994]

約数ペア:

[(1, 278375994), (2, 139187997), (3, 92791998), (6, 46395999), (9, 30930666), (13, 21413538), (18, 15465333), (26, 10706769), (27, 10310222), (39, 7137846), (54, 5155111), (78, 3568923), (117, 2379282), (234, 1189641), (351, 793094), (702, 396547)]