261330334

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 410810400

約数和(自身を除く): 149480066

約数列:

[1, 2, 37, 74, 109, 179, 181, 218, 358, 362, 4033, 6623, 6697, 8066, 13246, 13394, 19511, 19729, 32399, 39022, 39458, 64798, 721907, 729973, 1198763, 1443814, 1459946, 2397526, 3531491, 7062982, 130665167, 261330334]

約数ペア:

[(1, 261330334), (2, 130665167), (37, 7062982), (74, 3531491), (109, 2397526), (179, 1459946), (181, 1443814), (218, 1198763), (358, 729973), (362, 721907), (4033, 64798), (6623, 39458), (6697, 39022), (8066, 32399), (13246, 19729), (13394, 19511)]