25629376

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 56

約数和(自身を含む): 53197760

約数和(自身を除く): 27568384

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 134, 139, 172, 268, 278, 344, 536, 556, 688, 1072, 1112, 1376, 2144, 2224, 2752, 2881, 4288, 4448, 5762, 5977, 8896, 9313, 11524, 11954, 18626, 23048, 23908, 37252, 46096, 47816, 74504, 92192, 95632, 149008, 184384, 191264, 298016, 382528, 400459, 596032, 800918, 1601836, 3203672, 6407344, 12814688, 25629376]

約数ペア:

[(1, 25629376), (2, 12814688), (4, 6407344), (8, 3203672), (16, 1601836), (32, 800918), (43, 596032), (64, 400459), (67, 382528), (86, 298016), (134, 191264), (139, 184384), (172, 149008), (268, 95632), (278, 92192), (344, 74504), (536, 47816), (556, 46096), (688, 37252), (1072, 23908), (1112, 23048), (1376, 18626), (2144, 11954), (2224, 11524), (2752, 9313), (2881, 8896), (4288, 5977), (4448, 5762)]