164164028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 352044000

約数和(自身を除く): 187879972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 149, 218, 266, 298, 361, 436, 532, 596, 722, 763, 1043, 1444, 1526, 2071, 2086, 2527, 2831, 3052, 4142, 4172, 5054, 5662, 8284, 10108, 11324, 14497, 16241, 19817, 28994, 32482, 39349, 39634, 53789, 57988, 64964, 78698, 79268, 107578, 113687, 157396, 215156, 227374, 275443, 308579, 376523, 454748, 550886, 617158, 753046, 1101772, 1234316, 1506092, 2160053, 4320106, 5863001, 8640212, 11726002, 23452004, 41041007, 82082014, 164164028]

約数ペア:

[(1, 164164028), (2, 82082014), (4, 41041007), (7, 23452004), (14, 11726002), (19, 8640212), (28, 5863001), (38, 4320106), (76, 2160053), (109, 1506092), (133, 1234316), (149, 1101772), (218, 753046), (266, 617158), (298, 550886), (361, 454748), (436, 376523), (532, 308579), (596, 275443), (722, 227374), (763, 215156), (1043, 157396), (1444, 113687), (1526, 107578), (2071, 79268), (2086, 78698), (2527, 64964), (2831, 57988), (3052, 53789), (4142, 39634), (4172, 39349), (5054, 32482), (5662, 28994), (8284, 19817), (10108, 16241), (11324, 14497)]