131458754

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 235892736

約数和(自身を除く): 104433982

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 631, 647, 1262, 1294, 4417, 4529, 8834, 9058, 14513, 14881, 29026, 29762, 101591, 104167, 203182, 208334, 408257, 816514, 2857799, 5715598, 9389911, 18779822, 65729377, 131458754]

約数ペア:

[(1, 131458754), (2, 65729377), (7, 18779822), (14, 9389911), (23, 5715598), (46, 2857799), (161, 816514), (322, 408257), (631, 208334), (647, 203182), (1262, 104167), (1294, 101591), (4417, 29762), (4529, 29026), (8834, 14881), (9058, 14513)]