87919984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1381}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 178908192

約数和(自身を除く): 90988208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 173, 184, 346, 368, 692, 1381, 1384, 2762, 2768, 3979, 5524, 7958, 11048, 15916, 22096, 31763, 31832, 63526, 63664, 127052, 238913, 254104, 477826, 508208, 955652, 1911304, 3822608, 5494999, 10989998, 21979996, 43959992, 87919984]

約数ペア:

[(1, 87919984), (2, 43959992), (4, 21979996), (8, 10989998), (16, 5494999), (23, 3822608), (46, 1911304), (92, 955652), (173, 508208), (184, 477826), (346, 254104), (368, 238913), (692, 127052), (1381, 63664), (1384, 63526), (2762, 31832), (2768, 31763), (3979, 22096), (5524, 15916), (7958, 11048)]