1271161724

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{72871}}^1$

素因数の和:72978

約数の個数: 36

約数和(自身を含む): 2616833520

約数和(自身を除く): 1345671796

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2492, 4361, 8722, 17444, 72871, 145742, 291484, 510097, 1020194, 2040388, 3570679, 6485519, 7141358, 12971038, 14282716, 25942076, 45398633, 90797266, 181594532, 317790431, 635580862, 1271161724]

約数ペア:

[(1, 1271161724), (2, 635580862), (4, 317790431), (7, 181594532), (14, 90797266), (28, 45398633), (49, 25942076), (89, 14282716), (98, 12971038), (178, 7141358), (196, 6485519), (356, 3570679), (623, 2040388), (1246, 1020194), (2492, 510097), (4361, 291484), (8722, 145742), (17444, 72871)]