15980228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:404

約数の個数: 36

約数和(自身を含む): 31091676

約数和(自身を除く): 15111448

約数列:

[1, 2, 4, 11, 22, 44, 121, 137, 241, 242, 274, 482, 484, 548, 964, 1507, 2651, 3014, 5302, 6028, 10604, 16577, 29161, 33017, 33154, 58322, 66034, 66308, 116644, 132068, 363187, 726374, 1452748, 3995057, 7990114, 15980228]

約数ペア:

[(1, 15980228), (2, 7990114), (4, 3995057), (11, 1452748), (22, 726374), (44, 363187), (121, 132068), (137, 116644), (241, 66308), (242, 66034), (274, 58322), (482, 33154), (484, 33017), (548, 29161), (964, 16577), (1507, 10604), (2651, 6028), (3014, 5302)]