90247654

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 157280256

約数和(自身を除く): 67032602

約数列:

[1, 2, 7, 14, 137, 211, 223, 274, 422, 446, 959, 1477, 1561, 1918, 2954, 3122, 28907, 30551, 47053, 57814, 61102, 94106, 202349, 213857, 329371, 404698, 427714, 658742, 6446261, 12892522, 45123827, 90247654]

約数ペア:

[(1, 90247654), (2, 45123827), (7, 12892522), (14, 6446261), (137, 658742), (211, 427714), (223, 404698), (274, 329371), (422, 213857), (446, 202349), (959, 94106), (1477, 61102), (1561, 57814), (1918, 47053), (2954, 30551), (3122, 28907)]