13356815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 18123264

約数和(自身を除く): 4766449

約数列:

[1, 5, 17, 31, 37, 85, 137, 155, 185, 527, 629, 685, 1147, 2329, 2635, 3145, 4247, 5069, 5735, 11645, 19499, 21235, 25345, 72199, 86173, 97495, 157139, 360995, 430865, 785695, 2671363, 13356815]

約数ペア:

[(1, 13356815), (5, 2671363), (17, 785695), (31, 430865), (37, 360995), (85, 157139), (137, 97495), (155, 86173), (185, 72199), (527, 25345), (629, 21235), (685, 19499), (1147, 11645), (2329, 5735), (2635, 5069), (3145, 4247)]