8640618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 19837440

約数和(自身を除く): 11196822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 419, 491, 838, 982, 1257, 1473, 2514, 2933, 2946, 3437, 5866, 6874, 8799, 10311, 17598, 20622, 205729, 411458, 617187, 1234374, 1440103, 2880206, 4320309, 8640618]

約数ペア:

[(1, 8640618), (2, 4320309), (3, 2880206), (6, 1440103), (7, 1234374), (14, 617187), (21, 411458), (42, 205729), (419, 20622), (491, 17598), (838, 10311), (982, 8799), (1257, 6874), (1473, 5866), (2514, 3437), (2933, 2946)]