787079993

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{977}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 941215464

約数和(自身を除く): 154135471

約数列:

[1, 7, 41, 49, 287, 401, 977, 2009, 2807, 6839, 16441, 19649, 40057, 47873, 115087, 280399, 391777, 805609, 1962793, 2742439, 16062857, 19197073, 112439999, 787079993]

約数ペア:

[(1, 787079993), (7, 112439999), (41, 19197073), (49, 16062857), (287, 2742439), (401, 1962793), (977, 805609), (2009, 391777), (2807, 280399), (6839, 115087), (16441, 47873), (19649, 40057)]