28204105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{8093}}^1$

素因数の和:8156

約数の個数: 16

約数和(自身を含む): 36714384

約数和(自身を除く): 8510279

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 8093, 40465, 137581, 331813, 687905, 1659065, 5640821, 28204105]

約数ペア:

[(1, 28204105), (5, 5640821), (17, 1659065), (41, 687905), (85, 331813), (205, 137581), (697, 40465), (3485, 8093)]