987442025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 1354935600

約数和(自身を除く): 367493575

約数列:

[1, 5, 17, 25, 29, 85, 113, 145, 425, 493, 565, 709, 725, 1921, 2465, 2825, 3277, 3545, 9605, 12053, 12325, 16385, 17725, 20561, 48025, 55709, 60265, 80117, 81925, 102805, 278545, 301325, 349537, 400585, 514025, 1361989, 1392725, 1747685, 2002925, 2323393, 6809945, 8738425, 11616965, 34049725, 39497681, 58084825, 197488405, 987442025]

約数ペア:

[(1, 987442025), (5, 197488405), (17, 58084825), (25, 39497681), (29, 34049725), (85, 11616965), (113, 8738425), (145, 6809945), (425, 2323393), (493, 2002925), (565, 1747685), (709, 1392725), (725, 1361989), (1921, 514025), (2465, 400585), (2825, 349537), (3277, 301325), (3545, 278545), (9605, 102805), (12053, 81925), (12325, 80117), (16385, 60265), (17725, 55709), (20561, 48025)]