128108708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4957}}^1$

素因数の和:5052

約数の個数: 48

約数和(自身を含む): 279869184

約数和(自身を除く): 151760476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 4957, 6461, 9914, 12922, 19828, 25844, 34699, 64441, 69398, 128882, 138796, 257764, 351947, 451087, 703894, 902174, 1407788, 1804348, 2463629, 4575311, 4927258, 9150622, 9854516, 18301244, 32027177, 64054354, 128108708]

約数ペア:

[(1, 128108708), (2, 64054354), (4, 32027177), (7, 18301244), (13, 9854516), (14, 9150622), (26, 4927258), (28, 4575311), (52, 2463629), (71, 1804348), (91, 1407788), (142, 902174), (182, 703894), (284, 451087), (364, 351947), (497, 257764), (923, 138796), (994, 128882), (1846, 69398), (1988, 64441), (3692, 34699), (4957, 25844), (6461, 19828), (9914, 12922)]