251657276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{941}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 491121120

約数和(自身を除く): 239463844

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 139, 148, 278, 481, 556, 941, 962, 1807, 1882, 1924, 3614, 3764, 5143, 7228, 10286, 12233, 20572, 24466, 34817, 48932, 66859, 69634, 130799, 133718, 139268, 261598, 267436, 452621, 523196, 905242, 1700387, 1810484, 3400774, 4839563, 6801548, 9679126, 19358252, 62914319, 125828638, 251657276]

約数ペア:

[(1, 251657276), (2, 125828638), (4, 62914319), (13, 19358252), (26, 9679126), (37, 6801548), (52, 4839563), (74, 3400774), (139, 1810484), (148, 1700387), (278, 905242), (481, 523196), (556, 452621), (941, 267436), (962, 261598), (1807, 139268), (1882, 133718), (1924, 130799), (3614, 69634), (3764, 66859), (5143, 48932), (7228, 34817), (10286, 24466), (12233, 20572)]