78380388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 206551800

約数和(自身を除く): 128171412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 193, 261, 348, 386, 389, 522, 579, 772, 778, 1044, 1158, 1167, 1556, 1737, 2316, 2334, 3474, 3501, 4668, 5597, 6948, 7002, 11194, 11281, 14004, 16791, 22388, 22562, 33582, 33843, 45124, 50373, 67164, 67686, 75077, 100746, 101529, 135372, 150154, 201492, 203058, 225231, 300308, 406116, 450462, 675693, 900924, 1351386, 2177233, 2702772, 4354466, 6531699, 8708932, 13063398, 19595097, 26126796, 39190194, 78380388]

約数ペア:

[(1, 78380388), (2, 39190194), (3, 26126796), (4, 19595097), (6, 13063398), (9, 8708932), (12, 6531699), (18, 4354466), (29, 2702772), (36, 2177233), (58, 1351386), (87, 900924), (116, 675693), (174, 450462), (193, 406116), (261, 300308), (348, 225231), (386, 203058), (389, 201492), (522, 150154), (579, 135372), (772, 101529), (778, 100746), (1044, 75077), (1158, 67686), (1167, 67164), (1556, 50373), (1737, 45124), (2316, 33843), (2334, 33582), (3474, 22562), (3501, 22388), (4668, 16791), (5597, 14004), (6948, 11281), (7002, 11194)]