390406376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{26479}}^1$

素因数の和:26601

約数の個数: 32

約数和(自身を含む): 778512000

約数和(自身を除く): 388105624

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 3686, 7372, 14744, 26479, 52958, 105916, 211832, 503101, 1006202, 2012404, 2568463, 4024808, 5136926, 10273852, 20547704, 48800797, 97601594, 195203188, 390406376]

約数ペア:

[(1, 390406376), (2, 195203188), (4, 97601594), (8, 48800797), (19, 20547704), (38, 10273852), (76, 5136926), (97, 4024808), (152, 2568463), (194, 2012404), (388, 1006202), (776, 503101), (1843, 211832), (3686, 105916), (7372, 52958), (14744, 26479)]