828397625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 1220693760

約数和(自身を除く): 392296135

約数列:

[1, 5, 11, 19, 25, 37, 55, 95, 125, 185, 209, 275, 407, 475, 703, 857, 925, 1045, 1375, 2035, 2375, 3515, 4285, 4625, 5225, 7733, 9427, 10175, 16283, 17575, 21425, 26125, 31709, 38665, 47135, 50875, 81415, 87875, 107125, 158545, 179113, 193325, 235675, 348799, 407075, 602471, 792725, 895565, 966625, 1178375, 1743995, 2035375, 3012355, 3963625, 4477825, 6627181, 8719975, 15061775, 22389125, 33135905, 43599875, 75308875, 165679525, 828397625]

約数ペア:

[(1, 828397625), (5, 165679525), (11, 75308875), (19, 43599875), (25, 33135905), (37, 22389125), (55, 15061775), (95, 8719975), (125, 6627181), (185, 4477825), (209, 3963625), (275, 3012355), (407, 2035375), (475, 1743995), (703, 1178375), (857, 966625), (925, 895565), (1045, 792725), (1375, 602471), (2035, 407075), (2375, 348799), (3515, 235675), (4285, 193325), (4625, 179113), (5225, 158545), (7733, 107125), (9427, 87875), (10175, 81415), (16283, 50875), (17575, 47135), (21425, 38665), (26125, 31709)]