254889964

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{21319}}^1$

素因数の和:21398

約数の個数: 36

約数和(自身を含む): 527414160

約数和(自身を除く): 272524196

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 11956, 21319, 42638, 85276, 149233, 298466, 596932, 1044631, 1300459, 2089262, 2600918, 4178524, 5201836, 9103213, 18206426, 36412852, 63722491, 127444982, 254889964]

約数ペア:

[(1, 254889964), (2, 127444982), (4, 63722491), (7, 36412852), (14, 18206426), (28, 9103213), (49, 5201836), (61, 4178524), (98, 2600918), (122, 2089262), (196, 1300459), (244, 1044631), (427, 596932), (854, 298466), (1708, 149233), (2989, 85276), (5978, 42638), (11956, 21319)]