208047125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 310722048

約数和(自身を除く): 102674923

約数列:

[1, 5, 11, 13, 25, 55, 65, 103, 113, 125, 143, 275, 325, 515, 565, 715, 1133, 1243, 1339, 1375, 1469, 1625, 2575, 2825, 3575, 5665, 6215, 6695, 7345, 11639, 12875, 14125, 14729, 16159, 17875, 28325, 31075, 33475, 36725, 58195, 73645, 80795, 128029, 141625, 151307, 155375, 167375, 183625, 290975, 368225, 403975, 640145, 756535, 1454875, 1664377, 1841125, 2019875, 3200725, 3782675, 8321885, 16003625, 18913375, 41609425, 208047125]

約数ペア:

[(1, 208047125), (5, 41609425), (11, 18913375), (13, 16003625), (25, 8321885), (55, 3782675), (65, 3200725), (103, 2019875), (113, 1841125), (125, 1664377), (143, 1454875), (275, 756535), (325, 640145), (515, 403975), (565, 368225), (715, 290975), (1133, 183625), (1243, 167375), (1339, 155375), (1375, 151307), (1469, 141625), (1625, 128029), (2575, 80795), (2825, 73645), (3575, 58195), (5665, 36725), (6215, 33475), (6695, 31075), (7345, 28325), (11639, 17875), (12875, 16159), (14125, 14729)]