78970808

素因数分解:

$2^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1423}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 169512960

約数和(自身を除く): 90542152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 991, 1423, 1982, 2846, 3964, 5692, 6937, 7928, 9961, 11384, 13874, 19922, 27748, 39844, 55496, 79688, 1410193, 2820386, 5640772, 9871351, 11281544, 19742702, 39485404, 78970808]

約数ペア:

[(1, 78970808), (2, 39485404), (4, 19742702), (7, 11281544), (8, 9871351), (14, 5640772), (28, 2820386), (56, 1410193), (991, 79688), (1423, 55496), (1982, 39844), (2846, 27748), (3964, 19922), (5692, 13874), (6937, 11384), (7928, 9961)]