131486390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{4483}}^1$

素因数の和:4916

約数の個数: 32

約数和(自身を含む): 271192320

約数和(自身を除く): 139705930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 838, 2095, 2933, 4190, 4483, 5866, 8966, 14665, 22415, 29330, 31381, 44830, 62762, 156905, 313810, 1878377, 3756754, 9391885, 13148639, 18783770, 26297278, 65743195, 131486390]

約数ペア:

[(1, 131486390), (2, 65743195), (5, 26297278), (7, 18783770), (10, 13148639), (14, 9391885), (35, 3756754), (70, 1878377), (419, 313810), (838, 156905), (2095, 62762), (2933, 44830), (4190, 31381), (4483, 29330), (5866, 22415), (8966, 14665)]