2013221995225

素因数分解:

$5^2\times 7^1\times {\mathrm{305449}}^1\times {\mathrm{37663}}^1$

素因数の和:343129

約数の個数: 24

約数和(自身を含む): 2853108262400

約数和(自身を除く): 839886267175

約数列:

[1, 5, 7, 25, 35, 175, 37663, 188315, 263641, 305449, 941575, 1318205, 1527245, 2138143, 6591025, 7636225, 10690715, 53453575, 11504125687, 57520628435, 80528879809, 287603142175, 402644399045, 2013221995225]

約数ペア:

[(1, 2013221995225), (5, 402644399045), (7, 287603142175), (25, 80528879809), (35, 57520628435), (175, 11504125687), (37663, 53453575), (188315, 10690715), (263641, 7636225), (305449, 6591025), (941575, 2138143), (1318205, 1527245)]