239189478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 537698304

約数和(自身を除く): 298508826

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 271, 311, 473, 542, 622, 813, 933, 946, 1419, 1626, 1866, 2838, 2981, 3421, 5962, 6842, 8943, 10263, 11653, 13373, 17886, 20526, 23306, 26746, 34959, 40119, 69918, 80238, 84281, 128183, 147103, 168562, 252843, 256366, 294206, 384549, 441309, 505686, 769098, 882618, 927091, 1854182, 2781273, 3624083, 5562546, 7248166, 10872249, 21744498, 39864913, 79729826, 119594739, 239189478]

約数ペア:

[(1, 239189478), (2, 119594739), (3, 79729826), (6, 39864913), (11, 21744498), (22, 10872249), (33, 7248166), (43, 5562546), (66, 3624083), (86, 2781273), (129, 1854182), (258, 927091), (271, 882618), (311, 769098), (473, 505686), (542, 441309), (622, 384549), (813, 294206), (933, 256366), (946, 252843), (1419, 168562), (1626, 147103), (1866, 128183), (2838, 84281), (2981, 80238), (3421, 69918), (5962, 40119), (6842, 34959), (8943, 26746), (10263, 23306), (11653, 20526), (13373, 17886)]