28831790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1693}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 56349216

約数和(自身を除く): 27517426

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1693, 1703, 3386, 3406, 8465, 8515, 16930, 17030, 22009, 44018, 110045, 220090, 221783, 443566, 1108915, 2217830, 2883179, 5766358, 14415895, 28831790]

約数ペア:

[(1, 28831790), (2, 14415895), (5, 5766358), (10, 2883179), (13, 2217830), (26, 1108915), (65, 443566), (130, 221783), (131, 220090), (262, 110045), (655, 44018), (1310, 22009), (1693, 17030), (1703, 16930), (3386, 8515), (3406, 8465)]