1257728

素因数分解:

$2^8\times {\mathrm{17}}^3$

素因数の和:67

約数の個数: 36

約数和(自身を含む): 2667420

約数和(自身を除く): 1409692

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 544, 578, 1088, 1156, 2176, 2312, 4352, 4624, 4913, 9248, 9826, 18496, 19652, 36992, 39304, 73984, 78608, 157216, 314432, 628864, 1257728]

約数ペア:

[(1, 1257728), (2, 628864), (4, 314432), (8, 157216), (16, 78608), (17, 73984), (32, 39304), (34, 36992), (64, 19652), (68, 18496), (128, 9826), (136, 9248), (256, 4913), (272, 4624), (289, 4352), (544, 2312), (578, 2176), (1088, 1156)]