90409319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 122304000

約数和(自身を除く): 31894681

約数列:

[1, 7, 11, 13, 77, 91, 143, 181, 499, 1001, 1267, 1991, 2353, 3493, 5489, 6487, 13937, 16471, 25883, 38423, 45409, 71357, 90319, 181181, 499499, 632233, 993509, 1174147, 6954563, 8219029, 12915617, 90409319]

約数ペア:

[(1, 90409319), (7, 12915617), (11, 8219029), (13, 6954563), (77, 1174147), (91, 993509), (143, 632233), (181, 499499), (499, 181181), (1001, 90319), (1267, 71357), (1991, 45409), (2353, 38423), (3493, 25883), (5489, 16471), (6487, 13937)]