68020665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7699}}^1$

素因数の和:7757

約数の個数: 32

約数和(自身を含む): 118272000

約数和(自身を除く): 50251335

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 7699, 8835, 23097, 38495, 115485, 146281, 238669, 438843, 716007, 731405, 1193345, 2194215, 3580035, 4534711, 13604133, 22673555, 68020665]

約数ペア:

[(1, 68020665), (3, 22673555), (5, 13604133), (15, 4534711), (19, 3580035), (31, 2194215), (57, 1193345), (93, 731405), (95, 716007), (155, 438843), (285, 238669), (465, 146281), (589, 115485), (1767, 38495), (2945, 23097), (7699, 8835)]