22218625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 33113808

約数和(自身を除く): 10895183

約数列:

[1, 5, 11, 13, 25, 55, 65, 113, 121, 125, 143, 275, 325, 565, 605, 715, 1243, 1375, 1469, 1573, 1625, 2825, 3025, 3575, 6215, 7345, 7865, 13673, 14125, 15125, 16159, 17875, 31075, 36725, 39325, 68365, 80795, 155375, 177749, 183625, 196625, 341825, 403975, 888745, 1709125, 2019875, 4443725, 22218625]

約数ペア:

[(1, 22218625), (5, 4443725), (11, 2019875), (13, 1709125), (25, 888745), (55, 403975), (65, 341825), (113, 196625), (121, 183625), (125, 177749), (143, 155375), (275, 80795), (325, 68365), (565, 39325), (605, 36725), (715, 31075), (1243, 17875), (1375, 16159), (1469, 15125), (1573, 14125), (1625, 13673), (2825, 7865), (3025, 7345), (3575, 6215)]