128205896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2974

約数の個数: 64

約数和(自身を含む): 300814080

約数和(自身を除く): 172608184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 728, 793, 854, 1586, 1708, 2887, 3172, 3416, 5551, 5774, 6344, 11102, 11548, 20209, 22204, 23096, 37531, 40418, 44408, 75062, 80836, 150124, 161672, 176107, 262717, 300248, 352214, 525434, 704428, 1050868, 1232749, 1408856, 2101736, 2289391, 2465498, 4578782, 4930996, 9157564, 9861992, 16025737, 18315128, 32051474, 64102948, 128205896]

約数ペア:

[(1, 128205896), (2, 64102948), (4, 32051474), (7, 18315128), (8, 16025737), (13, 9861992), (14, 9157564), (26, 4930996), (28, 4578782), (52, 2465498), (56, 2289391), (61, 2101736), (91, 1408856), (104, 1232749), (122, 1050868), (182, 704428), (244, 525434), (364, 352214), (427, 300248), (488, 262717), (728, 176107), (793, 161672), (854, 150124), (1586, 80836), (1708, 75062), (2887, 44408), (3172, 40418), (3416, 37531), (5551, 23096), (5774, 22204), (6344, 20209), (11102, 11548)]