397758512

素因数分解:

$2^4\times {\mathrm{4969}}^1\times {\mathrm{5003}}^1$

素因数の和:9980

約数の個数: 20

約数和(自身を含む): 770966280

約数和(自身を除く): 373207768

約数列:

[1, 2, 4, 8, 16, 4969, 5003, 9938, 10006, 19876, 20012, 39752, 40024, 79504, 80048, 24859907, 49719814, 99439628, 198879256, 397758512]

約数ペア:

[(1, 397758512), (2, 198879256), (4, 99439628), (8, 49719814), (16, 24859907), (4969, 80048), (5003, 79504), (9938, 40024), (10006, 39752), (19876, 20012)]