90240386

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 151968960

約数和(自身を除く): 61728574

約数列:

[1, 2, 17, 19, 34, 38, 163, 323, 326, 646, 857, 1714, 2771, 3097, 5542, 6194, 14569, 16283, 29138, 32566, 52649, 105298, 139691, 276811, 279382, 553622, 2374747, 2654129, 4749494, 5308258, 45120193, 90240386]

約数ペア:

[(1, 90240386), (2, 45120193), (17, 5308258), (19, 4749494), (34, 2654129), (38, 2374747), (163, 553622), (323, 279382), (326, 276811), (646, 139691), (857, 105298), (1714, 52649), (2771, 32566), (3097, 29138), (5542, 16283), (6194, 14569)]