15697983515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1\times {\mathrm{4001}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 20608058880

約数和(自身を除く): 4910075365

約数列:

[1, 5, 17, 31, 85, 155, 527, 1489, 2635, 4001, 7445, 20005, 25313, 46159, 68017, 124031, 126565, 230795, 340085, 620155, 784703, 2108527, 3923515, 5957489, 10542635, 29787445, 101277313, 184682159, 506386565, 923410795, 3139596703, 15697983515]

約数ペア:

[(1, 15697983515), (5, 3139596703), (17, 923410795), (31, 506386565), (85, 184682159), (155, 101277313), (527, 29787445), (1489, 10542635), (2635, 5957489), (4001, 3923515), (7445, 2108527), (20005, 784703), (25313, 620155), (46159, 340085), (68017, 230795), (124031, 126565)]