257332144

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{342197}}^1$

素因数の和:342252

約数の個数: 20

約数和(自身を含む): 509190624

約数和(自身を除く): 251858480

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 342197, 684394, 1368788, 2737576, 5475152, 16083259, 32166518, 64333036, 128666072, 257332144]

約数ペア:

[(1, 257332144), (2, 128666072), (4, 64333036), (8, 32166518), (16, 16083259), (47, 5475152), (94, 2737576), (188, 1368788), (376, 684394), (752, 342197)]