640398

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 1446912

約数和(自身を除く): 806514

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 313, 341, 626, 682, 939, 1023, 1878, 2046, 3443, 6886, 9703, 10329, 19406, 20658, 29109, 58218, 106733, 213466, 320199, 640398]

約数ペア:

[(1, 640398), (2, 320199), (3, 213466), (6, 106733), (11, 58218), (22, 29109), (31, 20658), (33, 19406), (62, 10329), (66, 9703), (93, 6886), (186, 3443), (313, 2046), (341, 1878), (626, 1023), (682, 939)]