256281804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{374681}}^1$

素因数の和:374710

約数の個数: 36

約数和(自身を含む): 681921240

約数和(自身を除く): 425639436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 374681, 749362, 1124043, 1498724, 2248086, 3372129, 4496172, 6744258, 7118939, 13488516, 14237878, 21356817, 28475756, 42713634, 64070451, 85427268, 128140902, 256281804]

約数ペア:

[(1, 256281804), (2, 128140902), (3, 85427268), (4, 64070451), (6, 42713634), (9, 28475756), (12, 21356817), (18, 14237878), (19, 13488516), (36, 7118939), (38, 6744258), (57, 4496172), (76, 3372129), (114, 2248086), (171, 1498724), (228, 1124043), (342, 749362), (684, 374681)]