16899025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 25623360

約数和(自身を除く): 8724335

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 143, 145, 163, 275, 319, 325, 377, 715, 725, 815, 1595, 1793, 1885, 2119, 3575, 4075, 4147, 4727, 7975, 8965, 9425, 10595, 20735, 23309, 23635, 44825, 51997, 52975, 61451, 103675, 116545, 118175, 259985, 307255, 582725, 675961, 1299925, 1536275, 3379805, 16899025]

約数ペア:

[(1, 16899025), (5, 3379805), (11, 1536275), (13, 1299925), (25, 675961), (29, 582725), (55, 307255), (65, 259985), (143, 118175), (145, 116545), (163, 103675), (275, 61451), (319, 52975), (325, 51997), (377, 44825), (715, 23635), (725, 23309), (815, 20735), (1595, 10595), (1793, 9425), (1885, 8965), (2119, 7975), (3575, 4727), (4075, 4147)]