261488410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{2503}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 487498752

約数和(自身を除く): 226010342

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 337, 674, 1685, 2503, 3370, 5006, 10447, 12515, 20894, 25030, 52235, 77593, 104470, 155186, 387965, 775930, 843511, 1687022, 4217555, 8435110, 26148841, 52297682, 130744205, 261488410]

約数ペア:

[(1, 261488410), (2, 130744205), (5, 52297682), (10, 26148841), (31, 8435110), (62, 4217555), (155, 1687022), (310, 843511), (337, 775930), (674, 387965), (1685, 155186), (2503, 104470), (3370, 77593), (5006, 52235), (10447, 25030), (12515, 20894)]