78091972

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{15581}}^1$

素因数の和:15771

約数の個数: 24

約数和(自身を含む): 157066560

約数和(自身を除く): 78974588

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 15581, 31162, 62324, 109067, 218134, 436268, 2788999, 5577998, 11155996, 19522993, 39045986, 78091972]

約数ペア:

[(1, 78091972), (2, 39045986), (4, 19522993), (7, 11155996), (14, 5577998), (28, 2788999), (179, 436268), (358, 218134), (716, 109067), (1253, 62324), (2506, 31162), (5012, 15581)]