1220128

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 2963520

約数和(自身を除く): 1743392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 419, 728, 838, 1456, 1676, 2912, 2933, 3352, 5447, 5866, 6704, 10894, 11732, 13408, 21788, 23464, 38129, 43576, 46928, 76258, 87152, 93856, 152516, 174304, 305032, 610064, 1220128]

約数ペア:

[(1, 1220128), (2, 610064), (4, 305032), (7, 174304), (8, 152516), (13, 93856), (14, 87152), (16, 76258), (26, 46928), (28, 43576), (32, 38129), (52, 23464), (56, 21788), (91, 13408), (104, 11732), (112, 10894), (182, 6704), (208, 5866), (224, 5447), (364, 3352), (416, 2933), (419, 2912), (728, 1676), (838, 1456)]