128017364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{911}}^1$

素因数の和:1020

約数の個数: 36

約数和(自身を含む): 241698240

約数和(自身を除く): 113680876

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 911, 1634, 1822, 1849, 3268, 3644, 3698, 7396, 17309, 34618, 35131, 39173, 69236, 70262, 78346, 140524, 156692, 744287, 1488574, 1684439, 2977148, 3368878, 6737756, 32004341, 64008682, 128017364]

約数ペア:

[(1, 128017364), (2, 64008682), (4, 32004341), (19, 6737756), (38, 3368878), (43, 2977148), (76, 1684439), (86, 1488574), (172, 744287), (817, 156692), (911, 140524), (1634, 78346), (1822, 70262), (1849, 69236), (3268, 39173), (3644, 35131), (3698, 34618), (7396, 17309)]