266722256

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{273281}}^1$

素因数の和:273350

約数の個数: 20

約数和(自身を含む): 525248004

約数和(自身を除く): 258525748

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 273281, 546562, 1093124, 2186248, 4372496, 16670141, 33340282, 66680564, 133361128, 266722256]

約数ペア:

[(1, 266722256), (2, 133361128), (4, 66680564), (8, 33340282), (16, 16670141), (61, 4372496), (122, 2186248), (244, 1093124), (488, 546562), (976, 273281)]