81477256

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39323}}^1$

素因数の和:39373

約数の個数: 32

約数和(自身を含む): 179317440

約数和(自身を除く): 97840184

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39323, 78646, 157292, 275261, 314584, 550522, 1101044, 1454951, 2202088, 2909902, 5819804, 10184657, 11639608, 20369314, 40738628, 81477256]

約数ペア:

[(1, 81477256), (2, 40738628), (4, 20369314), (7, 11639608), (8, 10184657), (14, 5819804), (28, 2909902), (37, 2202088), (56, 1454951), (74, 1101044), (148, 550522), (259, 314584), (296, 275261), (518, 157292), (1036, 78646), (2072, 39323)]