3980249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 4945920

約数和(自身を除く): 965671

約数列:

[1, 7, 13, 91, 191, 229, 1337, 1603, 2483, 2977, 17381, 20839, 43739, 306173, 568607, 3980249]

約数ペア:

[(1, 3980249), (7, 568607), (13, 306173), (91, 43739), (191, 20839), (229, 17381), (1337, 2977), (1603, 2483)]