66631810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2447}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 137479680

約数和(自身を除く): 70847870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2447, 2723, 3890, 4894, 5446, 12235, 13615, 17129, 24470, 27230, 34258, 85645, 171290, 951883, 1903766, 4759415, 6663181, 9518830, 13326362, 33315905, 66631810]

約数ペア:

[(1, 66631810), (2, 33315905), (5, 13326362), (7, 9518830), (10, 6663181), (14, 4759415), (35, 1903766), (70, 951883), (389, 171290), (778, 85645), (1945, 34258), (2447, 27230), (2723, 24470), (3890, 17129), (4894, 13615), (5446, 12235)]