261367248

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{320303}}^1$

素因数の和:320331

約数の個数: 40

約数和(自身を含む): 714918528

約数和(自身を除く): 453551280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 320303, 640606, 960909, 1281212, 1921818, 2562424, 3843636, 5124848, 5445151, 7687272, 10890302, 15374544, 16335453, 21780604, 32670906, 43561208, 65341812, 87122416, 130683624, 261367248]

約数ペア:

[(1, 261367248), (2, 130683624), (3, 87122416), (4, 65341812), (6, 43561208), (8, 32670906), (12, 21780604), (16, 16335453), (17, 15374544), (24, 10890302), (34, 7687272), (48, 5445151), (51, 5124848), (68, 3843636), (102, 2562424), (136, 1921818), (204, 1281212), (272, 960909), (408, 640606), (816, 320303)]