155423345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 239443776

約数和(自身を除く): 84020431

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 101, 245, 385, 505, 539, 571, 707, 1111, 2695, 2855, 3535, 3997, 4949, 5555, 6281, 7777, 19985, 24745, 27979, 31405, 38885, 43967, 54439, 57671, 139895, 219835, 272195, 288355, 307769, 403697, 634381, 1538845, 2018485, 2825879, 3171905, 4440667, 14129395, 22203335, 31084669, 155423345]

約数ペア:

[(1, 155423345), (5, 31084669), (7, 22203335), (11, 14129395), (35, 4440667), (49, 3171905), (55, 2825879), (77, 2018485), (101, 1538845), (245, 634381), (385, 403697), (505, 307769), (539, 288355), (571, 272195), (707, 219835), (1111, 139895), (2695, 57671), (2855, 54439), (3535, 43967), (3997, 38885), (4949, 31405), (5555, 27979), (6281, 24745), (7777, 19985)]