38750155

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 49472640

約数和(自身を除く): 10722485

約数列:

[1, 5, 31, 53, 89, 155, 265, 445, 1643, 2759, 2809, 4717, 8215, 13795, 14045, 23585, 87079, 146227, 250001, 435395, 731135, 1250005, 7750031, 38750155]

約数ペア:

[(1, 38750155), (5, 7750031), (31, 1250005), (53, 731135), (89, 435395), (155, 250001), (265, 146227), (445, 87079), (1643, 23585), (2759, 14045), (2809, 13795), (4717, 8215)]