16140215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 25105920

約数和(自身を除く): 8965705

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 1867, 8645, 9335, 13069, 24271, 35473, 65345, 121355, 169897, 177365, 248311, 461149, 849485, 1241555, 2305745, 3228043, 16140215]

約数ペア:

[(1, 16140215), (5, 3228043), (7, 2305745), (13, 1241555), (19, 849485), (35, 461149), (65, 248311), (91, 177365), (95, 169897), (133, 121355), (247, 65345), (455, 35473), (665, 24271), (1235, 13069), (1729, 9335), (1867, 8645)]