81204716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{1987}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 150793776

約数和(自身を除く): 69589060

約数列:

[1, 2, 4, 17, 34, 68, 601, 1202, 1987, 2404, 3974, 7948, 10217, 20434, 33779, 40868, 67558, 135116, 1194187, 2388374, 4776748, 20301179, 40602358, 81204716]

約数ペア:

[(1, 81204716), (2, 40602358), (4, 20301179), (17, 4776748), (34, 2388374), (68, 1194187), (601, 135116), (1202, 67558), (1987, 40868), (2404, 33779), (3974, 20434), (7948, 10217)]