256291209653

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12073}}^1\times {\mathrm{23561}}^1$

素因数の和:35704

約数の個数: 16

約数和(自身を含む): 276521935536

約数和(自身を除く): 20230725883

約数列:

[1, 17, 53, 901, 12073, 23561, 205241, 400537, 639869, 1248733, 10877773, 21228461, 284451953, 4835683201, 15075953509, 256291209653]

約数ペア:

[(1, 256291209653), (17, 15075953509), (53, 4835683201), (901, 284451953), (12073, 21228461), (23561, 10877773), (205241, 1248733), (400537, 639869)]