6643896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 19284480

約数和(自身を除く): 12640584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 557, 568, 852, 994, 1114, 1491, 1671, 1704, 1988, 2228, 2982, 3342, 3899, 3976, 4456, 5964, 6684, 7798, 11697, 11928, 13368, 15596, 23394, 31192, 39547, 46788, 79094, 93576, 118641, 158188, 237282, 276829, 316376, 474564, 553658, 830487, 949128, 1107316, 1660974, 2214632, 3321948, 6643896]

約数ペア:

[(1, 6643896), (2, 3321948), (3, 2214632), (4, 1660974), (6, 1107316), (7, 949128), (8, 830487), (12, 553658), (14, 474564), (21, 316376), (24, 276829), (28, 237282), (42, 158188), (56, 118641), (71, 93576), (84, 79094), (142, 46788), (168, 39547), (213, 31192), (284, 23394), (426, 15596), (497, 13368), (557, 11928), (568, 11697), (852, 7798), (994, 6684), (1114, 5964), (1491, 4456), (1671, 3976), (1704, 3899), (1988, 3342), (2228, 2982)]