208593575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3407}}^1$

素因数の和:3527

約数の個数: 24

約数和(自身を含む): 270458880

約数和(自身を除く): 61865305

約数列:

[1, 5, 25, 31, 79, 155, 395, 775, 1975, 2449, 3407, 12245, 17035, 61225, 85175, 105617, 269153, 528085, 1345765, 2640425, 6728825, 8343743, 41718715, 208593575]

約数ペア:

[(1, 208593575), (5, 41718715), (25, 8343743), (31, 6728825), (79, 2640425), (155, 1345765), (395, 528085), (775, 269153), (1975, 105617), (2449, 85175), (3407, 61225), (12245, 17035)]