31966987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 8191733

約数列:

[1, 13, 17, 19, 23, 221, 247, 299, 323, 331, 391, 437, 4199, 4303, 5083, 5627, 5681, 6289, 7429, 7613, 73151, 81757, 96577, 98969, 106913, 129421, 144647, 1389869, 1682473, 1880411, 2458999, 31966987]

約数ペア:

[(1, 31966987), (13, 2458999), (17, 1880411), (19, 1682473), (23, 1389869), (221, 144647), (247, 129421), (299, 106913), (323, 98969), (331, 96577), (391, 81757), (437, 73151), (4199, 7613), (4303, 7429), (5083, 6289), (5627, 5681)]