129220816

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{45119}}^1$

素因数の和:45306

約数の個数: 20

約数和(自身を含む): 251769600

約数和(自身を除く): 122548784

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 45119, 90238, 180476, 360952, 721904, 8076301, 16152602, 32305204, 64610408, 129220816]

約数ペア:

[(1, 129220816), (2, 64610408), (4, 32305204), (8, 16152602), (16, 8076301), (179, 721904), (358, 360952), (716, 180476), (1432, 90238), (2864, 45119)]