81725672

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 100751128

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 179, 217, 248, 263, 358, 434, 526, 716, 868, 1052, 1253, 1432, 1736, 1841, 2104, 2506, 3682, 5012, 5549, 7364, 8153, 10024, 11098, 14728, 16306, 22196, 32612, 38843, 44392, 47077, 57071, 65224, 77686, 94154, 114142, 155372, 188308, 228284, 310744, 329539, 376616, 456568, 659078, 1318156, 1459387, 2636312, 2918774, 5837548, 10215709, 11675096, 20431418, 40862836, 81725672]

約数ペア:

[(1, 81725672), (2, 40862836), (4, 20431418), (7, 11675096), (8, 10215709), (14, 5837548), (28, 2918774), (31, 2636312), (56, 1459387), (62, 1318156), (124, 659078), (179, 456568), (217, 376616), (248, 329539), (263, 310744), (358, 228284), (434, 188308), (526, 155372), (716, 114142), (868, 94154), (1052, 77686), (1253, 65224), (1432, 57071), (1736, 47077), (1841, 44392), (2104, 38843), (2506, 32612), (3682, 22196), (5012, 16306), (5549, 14728), (7364, 11098), (8153, 10024)]