66908816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1187}}^1$

素因数の和:1479

約数の個数: 40

約数和(自身を含む): 140241024

約数和(自身を除く): 73332208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 271, 542, 1084, 1187, 2168, 2374, 3523, 4336, 4748, 7046, 9496, 14092, 15431, 18992, 28184, 30862, 56368, 61724, 123448, 246896, 321677, 643354, 1286708, 2573416, 4181801, 5146832, 8363602, 16727204, 33454408, 66908816]

約数ペア:

[(1, 66908816), (2, 33454408), (4, 16727204), (8, 8363602), (13, 5146832), (16, 4181801), (26, 2573416), (52, 1286708), (104, 643354), (208, 321677), (271, 246896), (542, 123448), (1084, 61724), (1187, 56368), (2168, 30862), (2374, 28184), (3523, 18992), (4336, 15431), (4748, 14092), (7046, 9496)]