331344260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1274401}}^1$

素因数の和:1274423

約数の個数: 24

約数和(自身を含む): 749348376

約数和(自身を除く): 418004116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1274401, 2548802, 5097604, 6372005, 12744010, 16567213, 25488020, 33134426, 66268852, 82836065, 165672130, 331344260]

約数ペア:

[(1, 331344260), (2, 165672130), (4, 82836065), (5, 66268852), (10, 33134426), (13, 25488020), (20, 16567213), (26, 12744010), (52, 6372005), (65, 5097604), (130, 2548802), (260, 1274401)]