28212870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3631}}^1$

素因数の和:3685

約数の個数: 64

約数和(自身を含む): 79497216

約数和(自身を除く): 51284346

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 3631, 3885, 7262, 7770, 10893, 18155, 21786, 25417, 36310, 50834, 54465, 76251, 108930, 127085, 134347, 152502, 254170, 268694, 381255, 403041, 671735, 762510, 806082, 940429, 1343470, 1880858, 2015205, 2821287, 4030410, 4702145, 5642574, 9404290, 14106435, 28212870]

約数ペア:

[(1, 28212870), (2, 14106435), (3, 9404290), (5, 5642574), (6, 4702145), (7, 4030410), (10, 2821287), (14, 2015205), (15, 1880858), (21, 1343470), (30, 940429), (35, 806082), (37, 762510), (42, 671735), (70, 403041), (74, 381255), (105, 268694), (111, 254170), (185, 152502), (210, 134347), (222, 127085), (259, 108930), (370, 76251), (518, 54465), (555, 50834), (777, 36310), (1110, 25417), (1295, 21786), (1554, 18155), (2590, 10893), (3631, 7770), (3885, 7262)]