203428976

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{24979}}^1$

素因数の和:25496

約数の個数: 20

約数和(自身を含む): 394933800

約数和(自身を除く): 191504824

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 24979, 49958, 99916, 199832, 399664, 12714311, 25428622, 50857244, 101714488, 203428976]

約数ペア:

[(1, 203428976), (2, 101714488), (4, 50857244), (8, 25428622), (16, 12714311), (509, 399664), (1018, 199832), (2036, 99916), (4072, 49958), (8144, 24979)]