81127672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5279}}^1$

素因数の和:5415

約数の個数: 32

約数和(自身を含む): 162518400

約数和(自身を除く): 81390728

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 452, 904, 1921, 3842, 5279, 7684, 10558, 15368, 21116, 42232, 89743, 179486, 358972, 596527, 717944, 1193054, 2386108, 4772216, 10140959, 20281918, 40563836, 81127672]

約数ペア:

[(1, 81127672), (2, 40563836), (4, 20281918), (8, 10140959), (17, 4772216), (34, 2386108), (68, 1193054), (113, 717944), (136, 596527), (226, 358972), (452, 179486), (904, 89743), (1921, 42232), (3842, 21116), (5279, 15368), (7684, 10558)]