858451490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{47507}}^1$

素因数の和:47666

約数の個数: 32

約数和(自身を含む): 1676082240

約数和(自身を除く): 817630750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 47507, 95014, 237535, 475070, 617591, 1235182, 3087955, 6175910, 6603473, 13206946, 33017365, 66034730, 85845149, 171690298, 429225745, 858451490]

約数ペア:

[(1, 858451490), (2, 429225745), (5, 171690298), (10, 85845149), (13, 66034730), (26, 33017365), (65, 13206946), (130, 6603473), (139, 6175910), (278, 3087955), (695, 1235182), (1390, 617591), (1807, 475070), (3614, 237535), (9035, 95014), (18070, 47507)]