78560495

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 102772800

約数和(自身を除く): 24212305

約数列:

[1, 5, 13, 65, 169, 239, 389, 845, 1195, 1945, 3107, 5057, 15535, 25285, 40391, 65741, 92971, 201955, 328705, 464855, 1208623, 6043115, 15712099, 78560495]

約数ペア:

[(1, 78560495), (5, 15712099), (13, 6043115), (65, 1208623), (169, 464855), (239, 328705), (389, 201955), (845, 92971), (1195, 65741), (1945, 40391), (3107, 25285), (5057, 15535)]