131251456

素因数分解:

$2^8\times 7^1\times {\mathrm{73243}}^1$

素因数の和:73266

約数の個数: 36

約数和(自身を含む): 299421472

約数和(自身を除く): 168170016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 73243, 146486, 292972, 512701, 585944, 1025402, 1171888, 2050804, 2343776, 4101608, 4687552, 8203216, 9375104, 16406432, 18750208, 32812864, 65625728, 131251456]

約数ペア:

[(1, 131251456), (2, 65625728), (4, 32812864), (7, 18750208), (8, 16406432), (14, 9375104), (16, 8203216), (28, 4687552), (32, 4101608), (56, 2343776), (64, 2050804), (112, 1171888), (128, 1025402), (224, 585944), (256, 512701), (448, 292972), (896, 146486), (1792, 73243)]