81148808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3499}}^1$

素因数の和:3741

約数の個数: 32

約数和(自身を含む): 164640000

約数和(自身を除く): 83491192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 1784, 2899, 3499, 5798, 6998, 11596, 13996, 23192, 27992, 45487, 90974, 181948, 363896, 780277, 1560554, 3121108, 6242216, 10143601, 20287202, 40574404, 81148808]

約数ペア:

[(1, 81148808), (2, 40574404), (4, 20287202), (8, 10143601), (13, 6242216), (26, 3121108), (52, 1560554), (104, 780277), (223, 363896), (446, 181948), (892, 90974), (1784, 45487), (2899, 27992), (3499, 23192), (5798, 13996), (6998, 11596)]