291213247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 352235520

約数和(自身を除く): 61022273

約数列:

[1, 13, 17, 19, 221, 223, 247, 311, 323, 2899, 3791, 4043, 4199, 4237, 5287, 5909, 49283, 55081, 68731, 69353, 72029, 76817, 100453, 901589, 936377, 1179001, 1305889, 1317707, 15327013, 17130191, 22401019, 291213247]

約数ペア:

[(1, 291213247), (13, 22401019), (17, 17130191), (19, 15327013), (221, 1317707), (223, 1305889), (247, 1179001), (311, 936377), (323, 901589), (2899, 100453), (3791, 76817), (4043, 72029), (4199, 69353), (4237, 68731), (5287, 55081), (5909, 49283)]