81513172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12343}}^1$

素因数の和:12487

約数の個数: 24

約数和(自身を含む): 154843136

約数和(自身を除く): 73329964

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 12343, 24686, 49372, 160459, 320918, 641836, 1567561, 3135122, 6270244, 20378293, 40756586, 81513172]

約数ペア:

[(1, 81513172), (2, 40756586), (4, 20378293), (13, 6270244), (26, 3135122), (52, 1567561), (127, 641836), (254, 320918), (508, 160459), (1651, 49372), (3302, 24686), (6604, 12343)]