81365928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4993}}^1$

素因数の和:5106

約数の個数: 64

約数和(自身を含む): 234917760

約数和(自身を除く): 153551832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 168, 194, 291, 388, 582, 679, 776, 1164, 1358, 2037, 2328, 2716, 4074, 4993, 5432, 8148, 9986, 14979, 16296, 19972, 29958, 34951, 39944, 59916, 69902, 104853, 119832, 139804, 209706, 279608, 419412, 484321, 838824, 968642, 1452963, 1937284, 2905926, 3390247, 3874568, 5811852, 6780494, 10170741, 11623704, 13560988, 20341482, 27121976, 40682964, 81365928]

約数ペア:

[(1, 81365928), (2, 40682964), (3, 27121976), (4, 20341482), (6, 13560988), (7, 11623704), (8, 10170741), (12, 6780494), (14, 5811852), (21, 3874568), (24, 3390247), (28, 2905926), (42, 1937284), (56, 1452963), (84, 968642), (97, 838824), (168, 484321), (194, 419412), (291, 279608), (388, 209706), (582, 139804), (679, 119832), (776, 104853), (1164, 69902), (1358, 59916), (2037, 39944), (2328, 34951), (2716, 29958), (4074, 19972), (4993, 16296), (5432, 14979), (8148, 9986)]