128499306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 284981760

約数和(自身を除く): 156482454

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 113, 122, 183, 226, 239, 339, 366, 478, 678, 717, 793, 1434, 1469, 1586, 2379, 2938, 3107, 4407, 4758, 6214, 6893, 8814, 9321, 13786, 14579, 18642, 20679, 27007, 29158, 41358, 43737, 54014, 81021, 87474, 89609, 162042, 179218, 189527, 268827, 351091, 379054, 537654, 568581, 702182, 1053273, 1137162, 1647427, 2106546, 3294854, 4942281, 9884562, 21416551, 42833102, 64249653, 128499306]

約数ペア:

[(1, 128499306), (2, 64249653), (3, 42833102), (6, 21416551), (13, 9884562), (26, 4942281), (39, 3294854), (61, 2106546), (78, 1647427), (113, 1137162), (122, 1053273), (183, 702182), (226, 568581), (239, 537654), (339, 379054), (366, 351091), (478, 268827), (678, 189527), (717, 179218), (793, 162042), (1434, 89609), (1469, 87474), (1586, 81021), (2379, 54014), (2938, 43737), (3107, 41358), (4407, 29158), (4758, 27007), (6214, 20679), (6893, 18642), (8814, 14579), (9321, 13786)]