128123304

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 331420800

約数和(自身を除く): 203297496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 157, 222, 296, 314, 444, 471, 628, 888, 919, 942, 1256, 1838, 1884, 2757, 3676, 3768, 5514, 5809, 7352, 11028, 11618, 17427, 22056, 23236, 34003, 34854, 46472, 68006, 69708, 102009, 136012, 139416, 144283, 204018, 272024, 288566, 408036, 432849, 577132, 816072, 865698, 1154264, 1731396, 3462792, 5338471, 10676942, 16015413, 21353884, 32030826, 42707768, 64061652, 128123304]

約数ペア:

[(1, 128123304), (2, 64061652), (3, 42707768), (4, 32030826), (6, 21353884), (8, 16015413), (12, 10676942), (24, 5338471), (37, 3462792), (74, 1731396), (111, 1154264), (148, 865698), (157, 816072), (222, 577132), (296, 432849), (314, 408036), (444, 288566), (471, 272024), (628, 204018), (888, 144283), (919, 139416), (942, 136012), (1256, 102009), (1838, 69708), (1884, 68006), (2757, 46472), (3676, 34854), (3768, 34003), (5514, 23236), (5809, 22056), (7352, 17427), (11028, 11618)]