2199842015

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{390389}}^1$

素因数の和:390431

約数の個数: 24

約数和(自身を含む): 3204321120

約数和(自身を除く): 1004479105

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 390389, 1951945, 2732723, 8978947, 13663615, 19129061, 44894735, 62852629, 95645305, 314263145, 439968403, 2199842015]

約数ペア:

[(1, 2199842015), (5, 439968403), (7, 314263145), (23, 95645305), (35, 62852629), (49, 44894735), (115, 19129061), (161, 13663615), (245, 8978947), (805, 2732723), (1127, 1951945), (5635, 390389)]