77777180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23011}}^1$

素因数の和:23046

約数の個数: 36

約数和(自身を含む): 176870232

約数和(自身を除く): 99093052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 23011, 46022, 92044, 115055, 230110, 299143, 460220, 598286, 1196572, 1495715, 2991430, 3888859, 5982860, 7777718, 15555436, 19444295, 38888590, 77777180]

約数ペア:

[(1, 77777180), (2, 38888590), (4, 19444295), (5, 15555436), (10, 7777718), (13, 5982860), (20, 3888859), (26, 2991430), (52, 1495715), (65, 1196572), (130, 598286), (169, 460220), (260, 299143), (338, 230110), (676, 115055), (845, 92044), (1690, 46022), (3380, 23011)]