81231542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{1181}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 148080960

約数和(自身を除く): 66849418

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 1181, 2023, 2362, 4046, 4913, 8267, 9826, 16534, 20077, 34391, 40154, 68782, 140539, 281078, 341309, 682618, 2389163, 4778326, 5802253, 11604506, 40615771, 81231542]

約数ペア:

[(1, 81231542), (2, 40615771), (7, 11604506), (14, 5802253), (17, 4778326), (34, 2389163), (119, 682618), (238, 341309), (289, 281078), (578, 140539), (1181, 68782), (2023, 40154), (2362, 34391), (4046, 20077), (4913, 16534), (8267, 9826)]