320207909

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 394813440

約数和(自身を除く): 74605531

約数列:

[1, 7, 23, 41, 161, 179, 271, 287, 943, 1253, 1897, 4117, 6233, 6601, 7339, 11111, 28819, 43631, 48509, 51373, 77777, 168797, 255553, 339563, 1115707, 1181579, 1788871, 1988869, 7809949, 13922083, 45743987, 320207909]

約数ペア:

[(1, 320207909), (7, 45743987), (23, 13922083), (41, 7809949), (161, 1988869), (179, 1788871), (271, 1181579), (287, 1115707), (943, 339563), (1253, 255553), (1897, 168797), (4117, 77777), (6233, 51373), (6601, 48509), (7339, 43631), (11111, 28819)]