81872742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67219}}^1$

素因数の和:67260

約数の個数: 32

約数和(自身を含む): 193593600

約数和(自身を除く): 111720858

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 67219, 134438, 201657, 403314, 470533, 941066, 1411599, 1949351, 2823198, 3898702, 5848053, 11696106, 13645457, 27290914, 40936371, 81872742]

約数ペア:

[(1, 81872742), (2, 40936371), (3, 27290914), (6, 13645457), (7, 11696106), (14, 5848053), (21, 3898702), (29, 2823198), (42, 1949351), (58, 1411599), (87, 941066), (174, 470533), (203, 403314), (406, 201657), (609, 134438), (1218, 67219)]