140281568

素因数分解:

$2^5\times 7^1\times {\mathrm{641}}^1\times {\mathrm{977}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 316449504

約数和(自身を除く): 176167936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 641, 977, 1282, 1954, 2564, 3908, 4487, 5128, 6839, 7816, 8974, 10256, 13678, 15632, 17948, 20512, 27356, 31264, 35896, 54712, 71792, 109424, 143584, 218848, 626257, 1252514, 2505028, 4383799, 5010056, 8767598, 10020112, 17535196, 20040224, 35070392, 70140784, 140281568]

約数ペア:

[(1, 140281568), (2, 70140784), (4, 35070392), (7, 20040224), (8, 17535196), (14, 10020112), (16, 8767598), (28, 5010056), (32, 4383799), (56, 2505028), (112, 1252514), (224, 626257), (641, 218848), (977, 143584), (1282, 109424), (1954, 71792), (2564, 54712), (3908, 35896), (4487, 31264), (5128, 27356), (6839, 20512), (7816, 17948), (8974, 15632), (10256, 13678)]