8154224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 17186400

約数和(自身を除く): 9032176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 199, 208, 394, 398, 788, 796, 1576, 1592, 2561, 2587, 3152, 3184, 5122, 5174, 10244, 10348, 20488, 20696, 39203, 40976, 41392, 78406, 156812, 313624, 509639, 627248, 1019278, 2038556, 4077112, 8154224]

約数ペア:

[(1, 8154224), (2, 4077112), (4, 2038556), (8, 1019278), (13, 627248), (16, 509639), (26, 313624), (52, 156812), (104, 78406), (197, 41392), (199, 40976), (208, 39203), (394, 20696), (398, 20488), (788, 10348), (796, 10244), (1576, 5174), (1592, 5122), (2561, 3184), (2587, 3152)]