28642278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2593}}^1$

素因数の和:2868

約数の個数: 32

約数和(自身を含む): 65742336

約数和(自身を除く): 37100058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 263, 526, 789, 1578, 1841, 2593, 3682, 5186, 5523, 7779, 11046, 15558, 18151, 36302, 54453, 108906, 681959, 1363918, 2045877, 4091754, 4773713, 9547426, 14321139, 28642278]

約数ペア:

[(1, 28642278), (2, 14321139), (3, 9547426), (6, 4773713), (7, 4091754), (14, 2045877), (21, 1363918), (42, 681959), (263, 108906), (526, 54453), (789, 36302), (1578, 18151), (1841, 15558), (2593, 11046), (3682, 7779), (5186, 5523)]