128809085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 175053312

約数和(自身を除く): 46244227

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1607, 1955, 3485, 4715, 8035, 16031, 27319, 36961, 65887, 80155, 136595, 184805, 329435, 628337, 1120079, 1515401, 3141685, 5600395, 7577005, 25761817, 128809085]

約数ペア:

[(1, 128809085), (5, 25761817), (17, 7577005), (23, 5600395), (41, 3141685), (85, 1515401), (115, 1120079), (205, 628337), (391, 329435), (697, 184805), (943, 136595), (1607, 80155), (1955, 65887), (3485, 36961), (4715, 27319), (8035, 16031)]