678638088

素因数分解:

$2^3\times 3^4\times {\mathrm{1047281}}^1$

素因数の和:1047299

約数の個数: 40

約数和(自身を含む): 1900816830

約数和(自身を除く): 1222178742

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1047281, 2094562, 3141843, 4189124, 6283686, 8378248, 9425529, 12567372, 18851058, 25134744, 28276587, 37702116, 56553174, 75404232, 84829761, 113106348, 169659522, 226212696, 339319044, 678638088]

約数ペア:

[(1, 678638088), (2, 339319044), (3, 226212696), (4, 169659522), (6, 113106348), (8, 84829761), (9, 75404232), (12, 56553174), (18, 37702116), (24, 28276587), (27, 25134744), (36, 18851058), (54, 12567372), (72, 9425529), (81, 8378248), (108, 6283686), (162, 4189124), (216, 3141843), (324, 2094562), (648, 1047281)]