291490264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{10657}}^1$

素因数の和:10939

約数の個数: 32

約数和(自身を含む): 590879520

約数和(自身を除く): 299389256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 1052, 2104, 3419, 6838, 10657, 13676, 21314, 27352, 42628, 85256, 138541, 277082, 554164, 1108328, 2802791, 5605582, 11211164, 22422328, 36436283, 72872566, 145745132, 291490264]

約数ペア:

[(1, 291490264), (2, 145745132), (4, 72872566), (8, 36436283), (13, 22422328), (26, 11211164), (52, 5605582), (104, 2802791), (263, 1108328), (526, 554164), (1052, 277082), (2104, 138541), (3419, 85256), (6838, 42628), (10657, 27352), (13676, 21314)]