42642817

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 52519104

約数和(自身を除く): 9876287

約数列:

[1, 7, 17, 107, 119, 197, 289, 749, 1379, 1819, 2023, 3349, 12733, 21079, 23443, 30923, 56933, 147553, 216461, 358343, 398531, 2508401, 6091831, 42642817]

約数ペア:

[(1, 42642817), (7, 6091831), (17, 2508401), (107, 398531), (119, 358343), (197, 216461), (289, 147553), (749, 56933), (1379, 30923), (1819, 23443), (2023, 21079), (3349, 12733)]