128540944

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67511}}^1$

素因数の和:67543

約数の個数: 40

約数和(自身を含む): 301373568

約数和(自身を除く): 172832624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 67511, 135022, 270044, 472577, 540088, 945154, 1080176, 1147687, 1890308, 2295374, 3780616, 4590748, 7561232, 8033809, 9181496, 16067618, 18362992, 32135236, 64270472, 128540944]

約数ペア:

[(1, 128540944), (2, 64270472), (4, 32135236), (7, 18362992), (8, 16067618), (14, 9181496), (16, 8033809), (17, 7561232), (28, 4590748), (34, 3780616), (56, 2295374), (68, 1890308), (112, 1147687), (119, 1080176), (136, 945154), (238, 540088), (272, 472577), (476, 270044), (952, 135022), (1904, 67511)]