261191648

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{877}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 529686864

約数和(自身を除く): 268495216

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 227, 328, 454, 656, 877, 908, 1312, 1754, 1816, 3508, 3632, 7016, 7264, 9307, 14032, 18614, 28064, 35957, 37228, 71914, 74456, 143828, 148912, 199079, 287656, 297824, 398158, 575312, 796316, 1150624, 1592632, 3185264, 6370528, 8162239, 16324478, 32648956, 65297912, 130595824, 261191648]

約数ペア:

[(1, 261191648), (2, 130595824), (4, 65297912), (8, 32648956), (16, 16324478), (32, 8162239), (41, 6370528), (82, 3185264), (164, 1592632), (227, 1150624), (328, 796316), (454, 575312), (656, 398158), (877, 297824), (908, 287656), (1312, 199079), (1754, 148912), (1816, 143828), (3508, 74456), (3632, 71914), (7016, 37228), (7264, 35957), (9307, 28064), (14032, 18614)]