25863812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 50088780

約数和(自身を除く): 24224968

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 269, 538, 559, 1076, 1118, 1849, 2236, 3497, 3698, 6994, 7396, 11567, 13988, 23134, 24037, 46268, 48074, 96148, 150371, 300742, 497381, 601484, 994762, 1989524, 6465953, 12931906, 25863812]

約数ペア:

[(1, 25863812), (2, 12931906), (4, 6465953), (13, 1989524), (26, 994762), (43, 601484), (52, 497381), (86, 300742), (172, 150371), (269, 96148), (538, 48074), (559, 46268), (1076, 24037), (1118, 23134), (1849, 13988), (2236, 11567), (3497, 7396), (3698, 6994)]