128697312

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{21977}}^1$

素因数の和:22051

約数の個数: 48

約数和(自身を含む): 343384272

約数和(自身を除く): 214686960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 5856, 21977, 43954, 65931, 87908, 131862, 175816, 263724, 351632, 527448, 703264, 1054896, 1340597, 2109792, 2681194, 4021791, 5362388, 8043582, 10724776, 16087164, 21449552, 32174328, 42899104, 64348656, 128697312]

約数ペア:

[(1, 128697312), (2, 64348656), (3, 42899104), (4, 32174328), (6, 21449552), (8, 16087164), (12, 10724776), (16, 8043582), (24, 5362388), (32, 4021791), (48, 2681194), (61, 2109792), (96, 1340597), (122, 1054896), (183, 703264), (244, 527448), (366, 351632), (488, 263724), (732, 175816), (976, 131862), (1464, 87908), (1952, 65931), (2928, 43954), (5856, 21977)]