8321885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 11950848

約数和(自身を除く): 3628963

約数列:

[1, 5, 11, 13, 55, 65, 103, 113, 143, 515, 565, 715, 1133, 1243, 1339, 1469, 5665, 6215, 6695, 7345, 11639, 14729, 16159, 58195, 73645, 80795, 128029, 151307, 640145, 756535, 1664377, 8321885]

約数ペア:

[(1, 8321885), (5, 1664377), (11, 756535), (13, 640145), (55, 151307), (65, 128029), (103, 80795), (113, 73645), (143, 58195), (515, 16159), (565, 14729), (715, 11639), (1133, 7345), (1243, 6695), (1339, 6215), (1469, 5665)]