397317076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{177691}}^1$

素因数の和:177751

約数の個数: 24

約数和(自身を含む): 766207904

約数和(自身を除く): 368890828

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 177691, 355382, 710764, 2309983, 4619966, 7640713, 9239932, 15281426, 30562852, 99329269, 198658538, 397317076]

約数ペア:

[(1, 397317076), (2, 198658538), (4, 99329269), (13, 30562852), (26, 15281426), (43, 9239932), (52, 7640713), (86, 4619966), (172, 2309983), (559, 710764), (1118, 355382), (2236, 177691)]