128004864

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12853

約数の個数: 72

約数和(自身を含む): 366914352

約数和(自身を除く): 238909488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 12821, 25642, 38463, 51284, 76926, 102568, 153852, 166673, 205136, 307704, 333346, 410272, 500019, 615408, 666692, 820544, 1000038, 1230816, 1333384, 1641088, 2000076, 2461632, 2666768, 3282176, 4000152, 4923264, 5333536, 8000304, 9846528, 10667072, 16000608, 21334144, 32001216, 42668288, 64002432, 128004864]

約数ペア:

[(1, 128004864), (2, 64002432), (3, 42668288), (4, 32001216), (6, 21334144), (8, 16000608), (12, 10667072), (13, 9846528), (16, 8000304), (24, 5333536), (26, 4923264), (32, 4000152), (39, 3282176), (48, 2666768), (52, 2461632), (64, 2000076), (78, 1641088), (96, 1333384), (104, 1230816), (128, 1000038), (156, 820544), (192, 666692), (208, 615408), (256, 500019), (312, 410272), (384, 333346), (416, 307704), (624, 205136), (768, 166673), (832, 153852), (1248, 102568), (1664, 76926), (2496, 51284), (3328, 38463), (4992, 25642), (9984, 12821)]