2389771251

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1913}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 4012968960

約数和(自身を除く): 1623197709

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 251, 553, 711, 753, 1659, 1757, 1913, 2259, 4977, 5271, 5739, 13391, 15813, 17217, 19829, 40173, 59487, 120519, 138803, 151127, 178461, 416409, 453381, 480163, 1057889, 1249227, 1360143, 1440489, 3173667, 3361141, 4321467, 9521001, 10083423, 30250269, 37932877, 113798631, 265530139, 341395893, 796590417, 2389771251]

約数ペア:

[(1, 2389771251), (3, 796590417), (7, 341395893), (9, 265530139), (21, 113798631), (63, 37932877), (79, 30250269), (237, 10083423), (251, 9521001), (553, 4321467), (711, 3361141), (753, 3173667), (1659, 1440489), (1757, 1360143), (1913, 1249227), (2259, 1057889), (4977, 480163), (5271, 453381), (5739, 416409), (13391, 178461), (15813, 151127), (17217, 138803), (19829, 120519), (40173, 59487)]