90188872

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 172294200

約数和(自身を除く): 82105328

約数列:

[1, 2, 4, 8, 73, 146, 292, 389, 397, 584, 778, 794, 1556, 1588, 3112, 3176, 28397, 28981, 56794, 57962, 113588, 115924, 154433, 227176, 231848, 308866, 617732, 1235464, 11273609, 22547218, 45094436, 90188872]

約数ペア:

[(1, 90188872), (2, 45094436), (4, 22547218), (8, 11273609), (73, 1235464), (146, 617732), (292, 308866), (389, 231848), (397, 227176), (584, 154433), (778, 115924), (794, 113588), (1556, 57962), (1588, 56794), (3112, 28981), (3176, 28397)]