128331528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1721}}^1$

素因数の和:1982

約数の個数: 64

約数和(自身を含む): 347155200

約数和(自身を除く): 218823672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 239, 312, 478, 717, 956, 1434, 1721, 1912, 2868, 3107, 3442, 5163, 5736, 6214, 6884, 9321, 10326, 12428, 13768, 18642, 20652, 22373, 24856, 37284, 41304, 44746, 67119, 74568, 89492, 134238, 178984, 268476, 411319, 536952, 822638, 1233957, 1645276, 2467914, 3290552, 4935828, 5347147, 9871656, 10694294, 16041441, 21388588, 32082882, 42777176, 64165764, 128331528]

約数ペア:

[(1, 128331528), (2, 64165764), (3, 42777176), (4, 32082882), (6, 21388588), (8, 16041441), (12, 10694294), (13, 9871656), (24, 5347147), (26, 4935828), (39, 3290552), (52, 2467914), (78, 1645276), (104, 1233957), (156, 822638), (239, 536952), (312, 411319), (478, 268476), (717, 178984), (956, 134238), (1434, 89492), (1721, 74568), (1912, 67119), (2868, 44746), (3107, 41304), (3442, 37284), (5163, 24856), (5736, 22373), (6214, 20652), (6884, 18642), (9321, 13768), (10326, 12428)]