666996456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{30307}}^1$

素因数の和:30454

約数の個数: 64

約数和(自身を含む): 1920314880

約数和(自身を除く): 1253318424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 1048, 1572, 1834, 2751, 3144, 3668, 5502, 7336, 11004, 22008, 30307, 60614, 90921, 121228, 181842, 212149, 242456, 363684, 424298, 636447, 727368, 848596, 1272894, 1697192, 2545788, 3970217, 5091576, 7940434, 11910651, 15880868, 23821302, 27791519, 31761736, 47642604, 55583038, 83374557, 95285208, 111166076, 166749114, 222332152, 333498228, 666996456]

約数ペア:

[(1, 666996456), (2, 333498228), (3, 222332152), (4, 166749114), (6, 111166076), (7, 95285208), (8, 83374557), (12, 55583038), (14, 47642604), (21, 31761736), (24, 27791519), (28, 23821302), (42, 15880868), (56, 11910651), (84, 7940434), (131, 5091576), (168, 3970217), (262, 2545788), (393, 1697192), (524, 1272894), (786, 848596), (917, 727368), (1048, 636447), (1572, 424298), (1834, 363684), (2751, 242456), (3144, 212149), (3668, 181842), (5502, 121228), (7336, 90921), (11004, 60614), (22008, 30307)]