81237764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{22541}}^1$

素因数の和:22615

約数の個数: 24

約数和(自身を含む): 153375768

約数和(自身を除く): 72138004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 22541, 45082, 90164, 383197, 766394, 1194673, 1532788, 2389346, 4778692, 20309441, 40618882, 81237764]

約数ペア:

[(1, 81237764), (2, 40618882), (4, 20309441), (17, 4778692), (34, 2389346), (53, 1532788), (68, 1194673), (106, 766394), (212, 383197), (901, 90164), (1802, 45082), (3604, 22541)]