261510872

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{13229}}^1$

素因数の和:13595

約数の個数: 32

約数和(自身を含む): 562010400

約数和(自身を除く): 300499528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1412, 2471, 2824, 4942, 9884, 13229, 19768, 26458, 52916, 92603, 105832, 185206, 370412, 740824, 4669837, 9339674, 18679348, 32688859, 37358696, 65377718, 130755436, 261510872]

約数ペア:

[(1, 261510872), (2, 130755436), (4, 65377718), (7, 37358696), (8, 32688859), (14, 18679348), (28, 9339674), (56, 4669837), (353, 740824), (706, 370412), (1412, 185206), (2471, 105832), (2824, 92603), (4942, 52916), (9884, 26458), (13229, 19768)]