401070838

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{72161}}^1$

素因数の和:72567

約数の個数: 16

約数和(自身を含む): 689291424

約数和(自身を除く): 288220586

約数列:

[1, 2, 7, 14, 397, 794, 2779, 5558, 72161, 144322, 505127, 1010254, 28647917, 57295834, 200535419, 401070838]

約数ペア:

[(1, 401070838), (2, 200535419), (7, 57295834), (14, 28647917), (397, 1010254), (794, 505127), (2779, 144322), (5558, 72161)]