161061890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{133109}}^1$

素因数の和:133138

約数の個数: 24

約数和(自身を含む): 318665340

約数和(自身を除く): 157603450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 133109, 266218, 665545, 1331090, 1464199, 2928398, 7320995, 14641990, 16106189, 32212378, 80530945, 161061890]

約数ペア:

[(1, 161061890), (2, 80530945), (5, 32212378), (10, 16106189), (11, 14641990), (22, 7320995), (55, 2928398), (110, 1464199), (121, 1331090), (242, 665545), (605, 266218), (1210, 133109)]