278969836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{503}}^1\times {\mathrm{2273}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 497405664

約数和(自身を除く): 218435828

約数列:

[1, 2, 4, 61, 122, 244, 503, 1006, 2012, 2273, 4546, 9092, 30683, 61366, 122732, 138653, 277306, 554612, 1143319, 2286638, 4573276, 69742459, 139484918, 278969836]

約数ペア:

[(1, 278969836), (2, 139484918), (4, 69742459), (61, 4573276), (122, 2286638), (244, 1143319), (503, 554612), (1006, 277306), (2012, 138653), (2273, 122732), (4546, 61366), (9092, 30683)]