81173764

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36697}}^1$

素因数の和:36787

約数の個数: 24

約数和(自身を含む): 164407040

約数和(自身を除く): 83233276

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36697, 73394, 146788, 256879, 513758, 1027516, 2899063, 5798126, 11596252, 20293441, 40586882, 81173764]

約数ペア:

[(1, 81173764), (2, 40586882), (4, 20293441), (7, 11596252), (14, 5798126), (28, 2899063), (79, 1027516), (158, 513758), (316, 256879), (553, 146788), (1106, 73394), (2212, 36697)]