2581376

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 6103680

約数和(自身を除く): 3522304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 67, 86, 112, 128, 134, 172, 224, 268, 301, 344, 448, 469, 536, 602, 688, 896, 938, 1072, 1204, 1376, 1876, 2144, 2408, 2752, 2881, 3752, 4288, 4816, 5504, 5762, 7504, 8576, 9632, 11524, 15008, 19264, 20167, 23048, 30016, 38528, 40334, 46096, 60032, 80668, 92192, 161336, 184384, 322672, 368768, 645344, 1290688, 2581376]

約数ペア:

[(1, 2581376), (2, 1290688), (4, 645344), (7, 368768), (8, 322672), (14, 184384), (16, 161336), (28, 92192), (32, 80668), (43, 60032), (56, 46096), (64, 40334), (67, 38528), (86, 30016), (112, 23048), (128, 20167), (134, 19264), (172, 15008), (224, 11524), (268, 9632), (301, 8576), (344, 7504), (448, 5762), (469, 5504), (536, 4816), (602, 4288), (688, 3752), (896, 2881), (938, 2752), (1072, 2408), (1204, 2144), (1376, 1876)]