77889427

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 103749120

約数和(自身を除く): 25859693

約数列:

[1, 7, 11, 17, 77, 119, 157, 187, 379, 1099, 1309, 1727, 2653, 2669, 4169, 6443, 12089, 18683, 29183, 29359, 45101, 59503, 70873, 205513, 416521, 496111, 654533, 1011551, 4581731, 7080857, 11127061, 77889427]

約数ペア:

[(1, 77889427), (7, 11127061), (11, 7080857), (17, 4581731), (77, 1011551), (119, 654533), (157, 496111), (187, 416521), (379, 205513), (1099, 70873), (1309, 59503), (1727, 45101), (2653, 29359), (2669, 29183), (4169, 18683), (6443, 12089)]