90945172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 181621440

約数和(自身を除く): 90676268

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 646, 731, 817, 1292, 1462, 1634, 1637, 2924, 3268, 3274, 6548, 13889, 27778, 27829, 31103, 55556, 55658, 62206, 70391, 111316, 124412, 140782, 281564, 528751, 1057502, 1196647, 1337429, 2115004, 2393294, 2674858, 4786588, 5349716, 22736293, 45472586, 90945172]

約数ペア:

[(1, 90945172), (2, 45472586), (4, 22736293), (17, 5349716), (19, 4786588), (34, 2674858), (38, 2393294), (43, 2115004), (68, 1337429), (76, 1196647), (86, 1057502), (172, 528751), (323, 281564), (646, 140782), (731, 124412), (817, 111316), (1292, 70391), (1462, 62206), (1634, 55658), (1637, 55556), (2924, 31103), (3268, 27829), (3274, 27778), (6548, 13889)]