491330294

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 965260800

約数和(自身を除く): 473930506

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 379, 419, 442, 758, 838, 1547, 2653, 2933, 3094, 4927, 5306, 5447, 5866, 6443, 7123, 9854, 10894, 12886, 14246, 34489, 38129, 45101, 49861, 68978, 76258, 83759, 90202, 92599, 99722, 158801, 167518, 185198, 317602, 586313, 648193, 1111607, 1172626, 1296386, 2064413, 2223214, 2699617, 4128826, 5399234, 14450891, 18897319, 28901782, 35095021, 37794638, 70190042, 245665147, 491330294]

約数ペア:

[(1, 491330294), (2, 245665147), (7, 70190042), (13, 37794638), (14, 35095021), (17, 28901782), (26, 18897319), (34, 14450891), (91, 5399234), (119, 4128826), (182, 2699617), (221, 2223214), (238, 2064413), (379, 1296386), (419, 1172626), (442, 1111607), (758, 648193), (838, 586313), (1547, 317602), (2653, 185198), (2933, 167518), (3094, 158801), (4927, 99722), (5306, 92599), (5447, 90202), (5866, 83759), (6443, 76258), (7123, 68978), (9854, 49861), (10894, 45101), (12886, 38129), (14246, 34489)]