1945123570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{650543}}^1$

素因数の和:650586

約数の個数: 32

約数和(自身を含む): 3934490112

約数和(自身を除く): 1989366542

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 650543, 1301086, 3252715, 6505430, 8457059, 14962489, 16914118, 29924978, 42285295, 74812445, 84570590, 149624890, 194512357, 389024714, 972561785, 1945123570]

約数ペア:

[(1, 1945123570), (2, 972561785), (5, 389024714), (10, 194512357), (13, 149624890), (23, 84570590), (26, 74812445), (46, 42285295), (65, 29924978), (115, 16914118), (130, 14962489), (230, 8457059), (299, 6505430), (598, 3252715), (1495, 1301086), (2990, 650543)]