28901528045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1376591}}^1$

素因数の和:1376645

約数の個数: 32

約数和(自身を含む): 41628142080

約数和(自身を除く): 12726614035

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 1376591, 6882955, 17895683, 23402047, 26155229, 89478415, 117010235, 130776145, 304226611, 340017977, 444638893, 1521133055, 1700089885, 2223194465, 5780305609, 28901528045]

約数ペア:

[(1, 28901528045), (5, 5780305609), (13, 2223194465), (17, 1700089885), (19, 1521133055), (65, 444638893), (85, 340017977), (95, 304226611), (221, 130776145), (247, 117010235), (323, 89478415), (1105, 26155229), (1235, 23402047), (1615, 17895683), (4199, 6882955), (20995, 1376591)]