128721834

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 288419040

約数和(自身を除く): 159697206

約数列:

[1, 2, 3, 6, 9, 18, 59, 61, 118, 122, 177, 183, 354, 366, 531, 549, 1062, 1098, 1987, 3599, 3974, 5961, 7198, 10797, 11922, 17883, 21594, 32391, 35766, 64782, 117233, 121207, 234466, 242414, 351699, 363621, 703398, 727242, 1055097, 1090863, 2110194, 2181726, 7151213, 14302426, 21453639, 42907278, 64360917, 128721834]

約数ペア:

[(1, 128721834), (2, 64360917), (3, 42907278), (6, 21453639), (9, 14302426), (18, 7151213), (59, 2181726), (61, 2110194), (118, 1090863), (122, 1055097), (177, 727242), (183, 703398), (354, 363621), (366, 351699), (531, 242414), (549, 234466), (1062, 121207), (1098, 117233), (1987, 64782), (3599, 35766), (3974, 32391), (5961, 21594), (7198, 17883), (10797, 11922)]