161719398

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{126541}}^1$

素因数の和:126620

約数の個数: 24

約数和(自身を含む): 355329936

約数和(自身を除く): 193610538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 126541, 253082, 379623, 759246, 1138869, 2277738, 8984411, 17968822, 26953233, 53906466, 80859699, 161719398]

約数ペア:

[(1, 161719398), (2, 80859699), (3, 53906466), (6, 26953233), (9, 17968822), (18, 8984411), (71, 2277738), (142, 1138869), (213, 759246), (426, 379623), (639, 253082), (1278, 126541)]