25778038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 45777312

約数和(自身を除く): 19999274

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 521, 1042, 1903, 2249, 3806, 4498, 5731, 6773, 11462, 13546, 24739, 49478, 74503, 90133, 149006, 180266, 991463, 1171729, 1982926, 2343458, 12889019, 25778038]

約数ペア:

[(1, 25778038), (2, 12889019), (11, 2343458), (13, 1982926), (22, 1171729), (26, 991463), (143, 180266), (173, 149006), (286, 90133), (346, 74503), (521, 49478), (1042, 24739), (1903, 13546), (2249, 11462), (3806, 6773), (4498, 5731)]