80390478

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6359}}^1$

素因数の和:6421

約数の個数: 48

約数和(自身を含む): 191410560

約数和(自身を除く): 111020082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321, 6359, 12642, 12718, 19077, 38154, 44513, 89026, 133539, 267078, 273437, 311591, 546874, 623182, 820311, 934773, 1640622, 1869546, 1914059, 3828118, 5742177, 11484354, 13398413, 26796826, 40195239, 80390478]

約数ペア:

[(1, 80390478), (2, 40195239), (3, 26796826), (6, 13398413), (7, 11484354), (14, 5742177), (21, 3828118), (42, 1914059), (43, 1869546), (49, 1640622), (86, 934773), (98, 820311), (129, 623182), (147, 546874), (258, 311591), (294, 273437), (301, 267078), (602, 133539), (903, 89026), (1806, 44513), (2107, 38154), (4214, 19077), (6321, 12718), (6359, 12642)]