13220515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 20653056

約数和(自身を除く): 7432541

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1493, 1771, 7465, 8855, 10451, 16423, 34339, 52255, 82115, 114961, 171695, 240373, 377729, 574805, 1201865, 1888645, 2644103, 13220515]

約数ペア:

[(1, 13220515), (5, 2644103), (7, 1888645), (11, 1201865), (23, 574805), (35, 377729), (55, 240373), (77, 171695), (115, 114961), (161, 82115), (253, 52255), (385, 34339), (805, 16423), (1265, 10451), (1493, 8855), (1771, 7465)]