321683992

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{18121}}^1$

素因数の和:18451

約数の個数: 32

約数和(自身を含む): 691535520

約数和(自身を除く): 369851528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1268, 2219, 2536, 4438, 8876, 17752, 18121, 36242, 72484, 126847, 144968, 253694, 507388, 1014776, 5744357, 11488714, 22977428, 40210499, 45954856, 80420998, 160841996, 321683992]

約数ペア:

[(1, 321683992), (2, 160841996), (4, 80420998), (7, 45954856), (8, 40210499), (14, 22977428), (28, 11488714), (56, 5744357), (317, 1014776), (634, 507388), (1268, 253694), (2219, 144968), (2536, 126847), (4438, 72484), (8876, 36242), (17752, 18121)]