64974784

素因数分解:

$2^6\times 7^2\times {\mathrm{20719}}^1$

素因数の和:20745

約数の個数: 42

約数和(自身を含む): 149992080

約数和(自身を除く): 85017296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 20719, 41438, 82876, 145033, 165752, 290066, 331504, 580132, 663008, 1015231, 1160264, 1326016, 2030462, 2320528, 4060924, 4641056, 8121848, 9282112, 16243696, 32487392, 64974784]

約数ペア:

[(1, 64974784), (2, 32487392), (4, 16243696), (7, 9282112), (8, 8121848), (14, 4641056), (16, 4060924), (28, 2320528), (32, 2030462), (49, 1326016), (56, 1160264), (64, 1015231), (98, 663008), (112, 580132), (196, 331504), (224, 290066), (392, 165752), (448, 145033), (784, 82876), (1568, 41438), (3136, 20719)]