679736538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2904857}}^1$

素因数の和:2904878

約数の個数: 24

約数和(自身を含む): 1586052468

約数和(自身を除く): 906315930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2904857, 5809714, 8714571, 17429142, 26143713, 37763141, 52287426, 75526282, 113289423, 226578846, 339868269, 679736538]

約数ペア:

[(1, 679736538), (2, 339868269), (3, 226578846), (6, 113289423), (9, 75526282), (13, 52287426), (18, 37763141), (26, 26143713), (39, 17429142), (78, 8714571), (117, 5809714), (234, 2904857)]