388254854

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{60457}}^1$

素因数の和:60504

約数の個数: 24

約数和(自身を含む): 663828840

約数和(自身を除く): 275573986

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 6422, 60457, 120914, 785941, 1148683, 1571882, 2297366, 10217233, 14932879, 20434466, 29865758, 194127427, 388254854]

約数ペア:

[(1, 388254854), (2, 194127427), (13, 29865758), (19, 20434466), (26, 14932879), (38, 10217233), (169, 2297366), (247, 1571882), (338, 1148683), (494, 785941), (3211, 120914), (6422, 60457)]