157339390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{6271}}^1$

素因数の和:6484

約数の個数: 32

約数和(自身を含む): 306625536

約数和(自身を除く): 149286146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 6271, 12542, 12545, 25090, 31355, 62710, 81523, 163046, 407615, 815230, 1210303, 2420606, 6051515, 12103030, 15733939, 31467878, 78669695, 157339390]

約数ペア:

[(1, 157339390), (2, 78669695), (5, 31467878), (10, 15733939), (13, 12103030), (26, 6051515), (65, 2420606), (130, 1210303), (193, 815230), (386, 407615), (965, 163046), (1930, 81523), (2509, 62710), (5018, 31355), (6271, 25090), (12542, 12545)]