313627108

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{1999}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 558992000

約数和(自身を除く): 245364892

約数列:

[1, 2, 4, 61, 122, 244, 643, 1286, 1999, 2572, 3998, 7996, 39223, 78446, 121939, 156892, 243878, 487756, 1285357, 2570714, 5141428, 78406777, 156813554, 313627108]

約数ペア:

[(1, 313627108), (2, 156813554), (4, 78406777), (61, 5141428), (122, 2570714), (244, 1285357), (643, 487756), (1286, 243878), (1999, 156892), (2572, 121939), (3998, 78446), (7996, 39223)]