128967421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 153446400

約数和(自身を除く): 24478979

約数列:

[1, 11, 19, 73, 79, 107, 209, 803, 869, 1177, 1387, 1501, 2033, 5767, 7811, 8453, 15257, 16511, 22363, 63437, 85921, 92983, 109573, 148409, 160607, 617069, 1205303, 1632499, 1766677, 6787759, 11724311, 128967421]

約数ペア:

[(1, 128967421), (11, 11724311), (19, 6787759), (73, 1766677), (79, 1632499), (107, 1205303), (209, 617069), (803, 160607), (869, 148409), (1177, 109573), (1387, 92983), (1501, 85921), (2033, 63437), (5767, 22363), (7811, 16511), (8453, 15257)]