131475784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{16787}}^1$

素因数の和:16893

約数の個数: 32

約数和(自身を含む): 271965600

約数和(自身を除く): 140489816

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 16787, 33574, 67148, 134296, 184657, 369314, 738628, 1477256, 1494043, 2988086, 5976172, 11952344, 16434473, 32868946, 65737892, 131475784]

約数ペア:

[(1, 131475784), (2, 65737892), (4, 32868946), (8, 16434473), (11, 11952344), (22, 5976172), (44, 2988086), (88, 1494043), (89, 1477256), (178, 738628), (356, 369314), (712, 184657), (979, 134296), (1958, 67148), (3916, 33574), (7832, 16787)]