31289335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 47549952

約数和(自身を除く): 16260617

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 737, 1213, 2345, 3685, 5159, 6065, 8491, 13343, 25795, 42455, 66715, 81271, 93401, 406355, 467005, 568897, 893981, 2844485, 4469905, 6257867, 31289335]

約数ペア:

[(1, 31289335), (5, 6257867), (7, 4469905), (11, 2844485), (35, 893981), (55, 568897), (67, 467005), (77, 406355), (335, 93401), (385, 81271), (469, 66715), (737, 42455), (1213, 25795), (2345, 13343), (3685, 8491), (5159, 6065)]