256533475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 358727040

約数和(自身を除く): 102193565

約数列:

[1, 5, 11, 25, 55, 59, 97, 163, 275, 295, 485, 649, 815, 1067, 1475, 1793, 2425, 3245, 4075, 5335, 5723, 8965, 9617, 15811, 16225, 26675, 28615, 44825, 48085, 62953, 79055, 105787, 143075, 173921, 240425, 314765, 395275, 528935, 869605, 932849, 1573825, 2644675, 4348025, 4664245, 10261339, 23321225, 51306695, 256533475]

約数ペア:

[(1, 256533475), (5, 51306695), (11, 23321225), (25, 10261339), (55, 4664245), (59, 4348025), (97, 2644675), (163, 1573825), (275, 932849), (295, 869605), (485, 528935), (649, 395275), (815, 314765), (1067, 240425), (1475, 173921), (1793, 143075), (2425, 105787), (3245, 79055), (4075, 62953), (5335, 48085), (5723, 44825), (8965, 28615), (9617, 26675), (15811, 16225)]