28754915

素因数分解:

$5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 40388832

約数和(自身を除く): 11633917

約数列:

[1, 5, 7, 35, 49, 241, 245, 487, 1205, 1687, 2435, 3409, 8435, 11809, 17045, 23863, 59045, 117367, 119315, 586835, 821569, 4107845, 5750983, 28754915]

約数ペア:

[(1, 28754915), (5, 5750983), (7, 4107845), (35, 821569), (49, 586835), (241, 119315), (245, 117367), (487, 59045), (1205, 23863), (1687, 17045), (2435, 11809), (3409, 8435)]