156720477485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{219189479}}^1$

素因数の和:219189508

約数の個数: 16

約数和(自身を含む): 220942995840

約数和(自身を除く): 64222518355

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 219189479, 1095947395, 2411084269, 2849463227, 12055421345, 14247316135, 31344095497, 156720477485]

約数ペア:

[(1, 156720477485), (5, 31344095497), (11, 14247316135), (13, 12055421345), (55, 2849463227), (65, 2411084269), (143, 1095947395), (715, 219189479)]