79972016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 158323200

約数和(自身を除く): 78351184

約数列:

[1, 2, 4, 8, 16, 79, 151, 158, 302, 316, 419, 604, 632, 838, 1208, 1264, 1676, 2416, 3352, 6704, 11929, 23858, 33101, 47716, 63269, 66202, 95432, 126538, 132404, 190864, 253076, 264808, 506152, 529616, 1012304, 4998251, 9996502, 19993004, 39986008, 79972016]

約数ペア:

[(1, 79972016), (2, 39986008), (4, 19993004), (8, 9996502), (16, 4998251), (79, 1012304), (151, 529616), (158, 506152), (302, 264808), (316, 253076), (419, 190864), (604, 132404), (632, 126538), (838, 95432), (1208, 66202), (1264, 63269), (1676, 47716), (2416, 33101), (3352, 23858), (6704, 11929)]