1964494990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{11393}}^1$

素因数の和:11844

約数の個数: 32

約数和(自身を含む): 3627667296

約数和(自身を除く): 1663172306

約数列:

[1, 2, 5, 10, 43, 86, 215, 401, 430, 802, 2005, 4010, 11393, 17243, 22786, 34486, 56965, 86215, 113930, 172430, 489899, 979798, 2449495, 4568593, 4898990, 9137186, 22842965, 45685930, 196449499, 392898998, 982247495, 1964494990]

約数ペア:

[(1, 1964494990), (2, 982247495), (5, 392898998), (10, 196449499), (43, 45685930), (86, 22842965), (215, 9137186), (401, 4898990), (430, 4568593), (802, 2449495), (2005, 979798), (4010, 489899), (11393, 172430), (17243, 113930), (22786, 86215), (34486, 56965)]