638409103636

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{541}}^1\times {\mathrm{4155119}}^1$

素因数の和:4155735

約数の個数: 24

約数和(自身を含む): 1135045820160

約数和(自身を除く): 496636716524

約数列:

[1, 2, 4, 71, 142, 284, 541, 1082, 2164, 38411, 76822, 153644, 4155119, 8310238, 16620476, 295013449, 590026898, 1180053796, 2247919379, 4495838758, 8991677516, 159602275909, 319204551818, 638409103636]

約数ペア:

[(1, 638409103636), (2, 319204551818), (4, 159602275909), (71, 8991677516), (142, 4495838758), (284, 2247919379), (541, 1180053796), (1082, 590026898), (2164, 295013449), (38411, 16620476), (76822, 8310238), (153644, 4155119)]