78396565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 107931204

約数和(自身を除く): 29534639

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 257, 361, 845, 1235, 1285, 1805, 3211, 3341, 4693, 4883, 16055, 16705, 23465, 24415, 43433, 61009, 63479, 92777, 217165, 305045, 317395, 463885, 825227, 1206101, 4126135, 6030505, 15679313, 78396565]

約数ペア:

[(1, 78396565), (5, 15679313), (13, 6030505), (19, 4126135), (65, 1206101), (95, 825227), (169, 463885), (247, 317395), (257, 305045), (361, 217165), (845, 92777), (1235, 63479), (1285, 61009), (1805, 43433), (3211, 24415), (3341, 23465), (4693, 16705), (4883, 16055)]