81304664

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{8111}}^1$

素因数の和:8303

約数の個数: 32

約数和(自身を含む): 175219200

約数和(自身を除く): 93914536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2506, 5012, 8111, 10024, 16222, 32444, 56777, 64888, 113554, 227108, 454216, 1451869, 2903738, 5807476, 10163083, 11614952, 20326166, 40652332, 81304664]

約数ペア:

[(1, 81304664), (2, 40652332), (4, 20326166), (7, 11614952), (8, 10163083), (14, 5807476), (28, 2903738), (56, 1451869), (179, 454216), (358, 227108), (716, 113554), (1253, 64888), (1432, 56777), (2506, 32444), (5012, 16222), (8111, 10024)]