161949095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18289}}^1$

素因数の和:18335

約数の個数: 32

約数和(自身を含む): 252840960

約数和(自身を除く): 90891865

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 18289, 91445, 128023, 201179, 420647, 640115, 1005895, 1408253, 2103235, 2944529, 4627117, 7041265, 14722645, 23135585, 32389819, 161949095]

約数ペア:

[(1, 161949095), (5, 32389819), (7, 23135585), (11, 14722645), (23, 7041265), (35, 4627117), (55, 2944529), (77, 2103235), (115, 1408253), (161, 1005895), (253, 640115), (385, 420647), (805, 201179), (1265, 128023), (1771, 91445), (8855, 18289)]