2781438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 6697728

約数和(自身を除く): 3916290

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 37, 51, 66, 67, 74, 102, 111, 134, 187, 201, 222, 374, 402, 407, 561, 629, 737, 814, 1122, 1139, 1221, 1258, 1474, 1887, 2211, 2278, 2442, 2479, 3417, 3774, 4422, 4958, 6834, 6919, 7437, 12529, 13838, 14874, 20757, 25058, 27269, 37587, 41514, 42143, 54538, 75174, 81807, 84286, 126429, 163614, 252858, 463573, 927146, 1390719, 2781438]

約数ペア:

[(1, 2781438), (2, 1390719), (3, 927146), (6, 463573), (11, 252858), (17, 163614), (22, 126429), (33, 84286), (34, 81807), (37, 75174), (51, 54538), (66, 42143), (67, 41514), (74, 37587), (102, 27269), (111, 25058), (134, 20757), (187, 14874), (201, 13838), (222, 12529), (374, 7437), (402, 6919), (407, 6834), (561, 4958), (629, 4422), (737, 3774), (814, 3417), (1122, 2479), (1139, 2442), (1221, 2278), (1258, 2211), (1474, 1887)]