1581133568

素因数分解:

$2^8\times 7^2\times {\mathrm{126047}}^1$

素因数の和:126077

約数の個数: 54

約数和(自身を含む): 3671400096

約数和(自身を除く): 2090266528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 126047, 252094, 504188, 882329, 1008376, 1764658, 2016752, 3529316, 4033504, 6176303, 7058632, 8067008, 12352606, 14117264, 16134016, 24705212, 28234528, 32268032, 49410424, 56469056, 98820848, 112938112, 197641696, 225876224, 395283392, 790566784, 1581133568]

約数ペア:

[(1, 1581133568), (2, 790566784), (4, 395283392), (7, 225876224), (8, 197641696), (14, 112938112), (16, 98820848), (28, 56469056), (32, 49410424), (49, 32268032), (56, 28234528), (64, 24705212), (98, 16134016), (112, 14117264), (128, 12352606), (196, 8067008), (224, 7058632), (256, 6176303), (392, 4033504), (448, 3529316), (784, 2016752), (896, 1764658), (1568, 1008376), (1792, 882329), (3136, 504188), (6272, 252094), (12544, 126047)]