81638508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138841}}^1$

素因数の和:138862

約数の個数: 36

約数和(自身を含む): 221591832

約数和(自身を除く): 139953324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138841, 277682, 416523, 555364, 833046, 971887, 1666092, 1943774, 2915661, 3887548, 5831322, 6803209, 11662644, 13606418, 20409627, 27212836, 40819254, 81638508]

約数ペア:

[(1, 81638508), (2, 40819254), (3, 27212836), (4, 20409627), (6, 13606418), (7, 11662644), (12, 6803209), (14, 5831322), (21, 3887548), (28, 2915661), (42, 1943774), (49, 1666092), (84, 971887), (98, 833046), (147, 555364), (196, 416523), (294, 277682), (588, 138841)]