31891236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{204431}}^1$

素因数の和:204451

約数の個数: 24

約数和(自身を含む): 80137344

約数和(自身を除く): 48246108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 204431, 408862, 613293, 817724, 1226586, 2453172, 2657603, 5315206, 7972809, 10630412, 15945618, 31891236]

約数ペア:

[(1, 31891236), (2, 15945618), (3, 10630412), (4, 7972809), (6, 5315206), (12, 2657603), (13, 2453172), (26, 1226586), (39, 817724), (52, 613293), (78, 408862), (156, 204431)]