397302470

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{80917}}^1$

素因数の和:81415

約数の個数: 16

約数和(自身を含む): 716609808

約数和(自身を除く): 319307338

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 80917, 161834, 404585, 809170, 39730247, 79460494, 198651235, 397302470]

約数ペア:

[(1, 397302470), (2, 198651235), (5, 79460494), (10, 39730247), (491, 809170), (982, 404585), (2455, 161834), (4910, 80917)]