12872912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 27081600

約数和(自身を除く): 14208688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 311, 398, 622, 796, 1244, 1592, 2488, 2587, 3184, 4043, 4976, 5174, 8086, 10348, 16172, 20696, 32344, 41392, 61889, 64688, 123778, 247556, 495112, 804557, 990224, 1609114, 3218228, 6436456, 12872912]

約数ペア:

[(1, 12872912), (2, 6436456), (4, 3218228), (8, 1609114), (13, 990224), (16, 804557), (26, 495112), (52, 247556), (104, 123778), (199, 64688), (208, 61889), (311, 41392), (398, 32344), (622, 20696), (796, 16172), (1244, 10348), (1592, 8086), (2488, 5174), (2587, 4976), (3184, 4043)]