12308905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 17821440

約数和(自身を除く): 5512535

約数列:

[1, 5, 7, 29, 35, 67, 145, 181, 203, 335, 469, 905, 1015, 1267, 1943, 2345, 5249, 6335, 9715, 12127, 13601, 26245, 36743, 60635, 68005, 84889, 183715, 351683, 424445, 1758415, 2461781, 12308905]

約数ペア:

[(1, 12308905), (5, 2461781), (7, 1758415), (29, 424445), (35, 351683), (67, 183715), (145, 84889), (181, 68005), (203, 60635), (335, 36743), (469, 26245), (905, 13601), (1015, 12127), (1267, 9715), (1943, 6335), (2345, 5249)]