669648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2011

約数の個数: 40

約数和(自身を含む): 1978048

約数和(自身を除く): 1308400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1993, 3986, 5979, 7972, 11958, 13951, 15944, 23916, 27902, 31888, 41853, 47832, 55804, 83706, 95664, 111608, 167412, 223216, 334824, 669648]

約数ペア:

[(1, 669648), (2, 334824), (3, 223216), (4, 167412), (6, 111608), (7, 95664), (8, 83706), (12, 55804), (14, 47832), (16, 41853), (21, 31888), (24, 27902), (28, 23916), (42, 15944), (48, 13951), (56, 11958), (84, 7972), (112, 5979), (168, 3986), (336, 1993)]