645344

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 1507968

約数和(自身を除く): 862624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 67, 86, 112, 134, 172, 224, 268, 301, 344, 469, 536, 602, 688, 938, 1072, 1204, 1376, 1876, 2144, 2408, 2881, 3752, 4816, 5762, 7504, 9632, 11524, 15008, 20167, 23048, 40334, 46096, 80668, 92192, 161336, 322672, 645344]

約数ペア:

[(1, 645344), (2, 322672), (4, 161336), (7, 92192), (8, 80668), (14, 46096), (16, 40334), (28, 23048), (32, 20167), (43, 15008), (56, 11524), (67, 9632), (86, 7504), (112, 5762), (134, 4816), (172, 3752), (224, 2881), (268, 2408), (301, 2144), (344, 1876), (469, 1376), (536, 1204), (602, 1072), (688, 938)]