28931764

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 51597000

約数和(自身を除く): 22665236

約数列:

[1, 2, 4, 89, 178, 181, 356, 362, 449, 724, 898, 1796, 16109, 32218, 39961, 64436, 79922, 81269, 159844, 162538, 325076, 7232941, 14465882, 28931764]

約数ペア:

[(1, 28931764), (2, 14465882), (4, 7232941), (89, 325076), (178, 162538), (181, 159844), (356, 81269), (362, 79922), (449, 64436), (724, 39961), (898, 32218), (1796, 16109)]