128173808

素因数分解:

$2^4\times 7^2\times {\mathrm{163487}}^1$

素因数の和:163509

約数の個数: 30

約数和(自身を含む): 288883296

約数和(自身を除く): 160709488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 163487, 326974, 653948, 1144409, 1307896, 2288818, 2615792, 4577636, 8010863, 9155272, 16021726, 18310544, 32043452, 64086904, 128173808]

約数ペア:

[(1, 128173808), (2, 64086904), (4, 32043452), (7, 18310544), (8, 16021726), (14, 9155272), (16, 8010863), (28, 4577636), (49, 2615792), (56, 2288818), (98, 1307896), (112, 1144409), (196, 653948), (392, 326974), (784, 163487)]