261341752

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{63929}}^1$

素因数の和:64015

約数の個数: 32

約数和(自身を含む): 567698400

約数和(自身を除く): 306356648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 63929, 127858, 255716, 447503, 511432, 895006, 1790012, 3580024, 4666817, 9333634, 18667268, 32667719, 37334536, 65335438, 130670876, 261341752]

約数ペア:

[(1, 261341752), (2, 130670876), (4, 65335438), (7, 37334536), (8, 32667719), (14, 18667268), (28, 9333634), (56, 4666817), (73, 3580024), (146, 1790012), (292, 895006), (511, 511432), (584, 447503), (1022, 255716), (2044, 127858), (4088, 63929)]