81378704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10753}}^1$

素因数の和:10815

約数の個数: 40

約数和(自身を含む): 176021472

約数和(自身を除く): 94642768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 10753, 21506, 43012, 86024, 118283, 172048, 236566, 462379, 473132, 924758, 946264, 1849516, 1892528, 3699032, 5086169, 7398064, 10172338, 20344676, 40689352, 81378704]

約数ペア:

[(1, 81378704), (2, 40689352), (4, 20344676), (8, 10172338), (11, 7398064), (16, 5086169), (22, 3699032), (43, 1892528), (44, 1849516), (86, 946264), (88, 924758), (172, 473132), (176, 462379), (344, 236566), (473, 172048), (688, 118283), (946, 86024), (1892, 43012), (3784, 21506), (7568, 10753)]