668637648

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{663331}}^1$

素因数の和:663352

約数の個数: 60

約数和(自身を含む): 2138582368

約数和(自身を除く): 1469944720

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 663331, 1326662, 1989993, 2653324, 3979986, 4643317, 5306648, 5969979, 7959972, 9286634, 10613296, 11939958, 13929951, 15919944, 18573268, 23879916, 27859902, 31839888, 37146536, 41789853, 47759832, 55719804, 74293072, 83579706, 95519664, 111439608, 167159412, 222879216, 334318824, 668637648]

約数ペア:

[(1, 668637648), (2, 334318824), (3, 222879216), (4, 167159412), (6, 111439608), (7, 95519664), (8, 83579706), (9, 74293072), (12, 55719804), (14, 47759832), (16, 41789853), (18, 37146536), (21, 31839888), (24, 27859902), (28, 23879916), (36, 18573268), (42, 15919944), (48, 13929951), (56, 11939958), (63, 10613296), (72, 9286634), (84, 7959972), (112, 5969979), (126, 5306648), (144, 4643317), (168, 3979986), (252, 2653324), (336, 1989993), (504, 1326662), (1008, 663331)]