89700989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 111476736

約数和(自身を除く): 21775747

約数列:

[1, 7, 23, 41, 107, 127, 161, 287, 749, 889, 943, 2461, 2921, 4387, 5207, 6601, 13589, 17227, 20447, 30709, 36449, 95123, 100901, 119761, 312547, 557149, 706307, 838327, 2187829, 3900043, 12814427, 89700989]

約数ペア:

[(1, 89700989), (7, 12814427), (23, 3900043), (41, 2187829), (107, 838327), (127, 706307), (161, 557149), (287, 312547), (749, 119761), (889, 100901), (943, 95123), (2461, 36449), (2921, 30709), (4387, 20447), (5207, 17227), (6601, 13589)]