156580985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 211628160

約数和(自身を除く): 55047175

約数列:

[1, 5, 11, 55, 59, 73, 295, 365, 649, 661, 803, 3245, 3305, 4015, 4307, 7271, 21535, 36355, 38999, 47377, 48253, 194995, 236885, 241265, 428989, 530783, 2144945, 2653915, 2846927, 14234635, 31316197, 156580985]

約数ペア:

[(1, 156580985), (5, 31316197), (11, 14234635), (55, 2846927), (59, 2653915), (73, 2144945), (295, 530783), (365, 428989), (649, 241265), (661, 236885), (803, 194995), (3245, 48253), (3305, 47377), (4015, 38999), (4307, 36355), (7271, 21535)]