80571788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 158016768

約数和(自身を除く): 77444980

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 151, 181, 268, 302, 362, 604, 724, 737, 1474, 1661, 1991, 2948, 3322, 3982, 6644, 7964, 10117, 12127, 20234, 24254, 27331, 40468, 48508, 54662, 109324, 111287, 133397, 222574, 266794, 300641, 445148, 533588, 601282, 1202564, 1831177, 3662354, 7324708, 20142947, 40285894, 80571788]

約数ペア:

[(1, 80571788), (2, 40285894), (4, 20142947), (11, 7324708), (22, 3662354), (44, 1831177), (67, 1202564), (134, 601282), (151, 533588), (181, 445148), (268, 300641), (302, 266794), (362, 222574), (604, 133397), (724, 111287), (737, 109324), (1474, 54662), (1661, 48508), (1991, 40468), (2948, 27331), (3322, 24254), (3982, 20234), (6644, 12127), (7964, 10117)]