289156693

素因数分解:

$7^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 342913824

約数和(自身を除く): 53757131

約数列:

[1, 7, 49, 107, 131, 421, 749, 917, 2947, 5243, 6419, 14017, 20629, 45047, 55151, 98119, 315329, 386057, 686833, 2207303, 2702399, 5901157, 41308099, 289156693]

約数ペア:

[(1, 289156693), (7, 41308099), (49, 5901157), (107, 2702399), (131, 2207303), (421, 686833), (749, 386057), (917, 315329), (2947, 98119), (5243, 55151), (6419, 45047), (14017, 20629)]