161888254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1777}}^1$

素因数の和:1932

約数の個数: 32

約数和(自身を含む): 274210272

約数和(自身を除く): 112322018

約数列:

[1, 2, 11, 22, 41, 82, 101, 202, 451, 902, 1111, 1777, 2222, 3554, 4141, 8282, 19547, 39094, 45551, 72857, 91102, 145714, 179477, 358954, 801427, 1602854, 1974247, 3948494, 7358557, 14717114, 80944127, 161888254]

約数ペア:

[(1, 161888254), (2, 80944127), (11, 14717114), (22, 7358557), (41, 3948494), (82, 1974247), (101, 1602854), (202, 801427), (451, 358954), (902, 179477), (1111, 145714), (1777, 91102), (2222, 72857), (3554, 45551), (4141, 39094), (8282, 19547)]