30787315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 42477120

約数和(自身を除く): 11689805

約数列:

[1, 5, 13, 19, 65, 95, 97, 247, 257, 485, 1235, 1261, 1285, 1843, 3341, 4883, 6305, 9215, 16705, 23959, 24415, 24929, 63479, 119795, 124645, 317395, 324077, 473651, 1620385, 2368255, 6157463, 30787315]

約数ペア:

[(1, 30787315), (5, 6157463), (13, 2368255), (19, 1620385), (65, 473651), (95, 324077), (97, 317395), (247, 124645), (257, 119795), (485, 63479), (1235, 24929), (1261, 24415), (1285, 23959), (1843, 16705), (3341, 9215), (4883, 6305)]