128729344

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{21863}}^1$

素因数の和:21902

約数の個数: 36

約数和(自身を含む): 268140096

約数和(自身を除く): 139410752

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 5888, 21863, 43726, 87452, 174904, 349808, 502849, 699616, 1005698, 1399232, 2011396, 2798464, 4022792, 5596928, 8045584, 16091168, 32182336, 64364672, 128729344]

約数ペア:

[(1, 128729344), (2, 64364672), (4, 32182336), (8, 16091168), (16, 8045584), (23, 5596928), (32, 4022792), (46, 2798464), (64, 2011396), (92, 1399232), (128, 1005698), (184, 699616), (256, 502849), (368, 349808), (736, 174904), (1472, 87452), (2944, 43726), (5888, 21863)]