641516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 1236480

約数和(自身を除く): 594964

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 367, 437, 734, 874, 1468, 1748, 6973, 8441, 13946, 16882, 27892, 33764, 160379, 320758, 641516]

約数ペア:

[(1, 641516), (2, 320758), (4, 160379), (19, 33764), (23, 27892), (38, 16882), (46, 13946), (76, 8441), (92, 6973), (367, 1748), (437, 1468), (734, 874)]