28555664

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{10687}}^1$

素因数の和:10862

約数の個数: 20

約数和(自身を含む): 55663104

約数和(自身を除く): 27107440

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 10687, 21374, 42748, 85496, 170992, 1784729, 3569458, 7138916, 14277832, 28555664]

約数ペア:

[(1, 28555664), (2, 14277832), (4, 7138916), (8, 3569458), (16, 1784729), (167, 170992), (334, 85496), (668, 42748), (1336, 21374), (2672, 10687)]