81176966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 135305856

約数和(自身を除く): 54128890

約数列:

[1, 2, 13, 26, 41, 82, 271, 281, 533, 542, 562, 1066, 3523, 3653, 7046, 7306, 11111, 11521, 22222, 23042, 76151, 144443, 149773, 152302, 288886, 299546, 989963, 1979926, 3122191, 6244382, 40588483, 81176966]

約数ペア:

[(1, 81176966), (2, 40588483), (13, 6244382), (26, 3122191), (41, 1979926), (82, 989963), (271, 299546), (281, 288886), (533, 152302), (542, 149773), (562, 144443), (1066, 76151), (3523, 23042), (3653, 22222), (7046, 11521), (7306, 11111)]