87891608

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19867}}^1$

素因数の和:19959

約数の個数: 32

約数和(自身を含む): 190732800

約数和(自身を除く): 102841192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 19867, 39734, 79468, 139069, 158936, 278138, 556276, 1112552, 1569493, 3138986, 6277972, 10986451, 12555944, 21972902, 43945804, 87891608]

約数ペア:

[(1, 87891608), (2, 43945804), (4, 21972902), (7, 12555944), (8, 10986451), (14, 6277972), (28, 3138986), (56, 1569493), (79, 1112552), (158, 556276), (316, 278138), (553, 158936), (632, 139069), (1106, 79468), (2212, 39734), (4424, 19867)]