168519778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8923}}^1$

素因数の和:9022

約数の個数: 32

約数和(自身を含む): 308413440

約数和(自身を除く): 139893662

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 8923, 9443, 17846, 18886, 62461, 124922, 169537, 339074, 633533, 1186759, 1267066, 2373518, 4434731, 8869462, 12037127, 24074254, 84259889, 168519778]

約数ペア:

[(1, 168519778), (2, 84259889), (7, 24074254), (14, 12037127), (19, 8869462), (38, 4434731), (71, 2373518), (133, 1267066), (142, 1186759), (266, 633533), (497, 339074), (994, 169537), (1349, 124922), (2698, 62461), (8923, 18886), (9443, 17846)]