31641505

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 47869056

約数和(自身を除く): 16227551

約数列:

[1, 5, 7, 17, 35, 49, 71, 85, 107, 119, 245, 355, 497, 535, 595, 749, 833, 1207, 1819, 2485, 3479, 3745, 4165, 5243, 6035, 7597, 8449, 9095, 12733, 17395, 26215, 37985, 42245, 53179, 59143, 63665, 89131, 129149, 265895, 295715, 372253, 445655, 645745, 904043, 1861265, 4520215, 6328301, 31641505]

約数ペア:

[(1, 31641505), (5, 6328301), (7, 4520215), (17, 1861265), (35, 904043), (49, 645745), (71, 445655), (85, 372253), (107, 295715), (119, 265895), (245, 129149), (355, 89131), (497, 63665), (535, 59143), (595, 53179), (749, 42245), (833, 37985), (1207, 26215), (1819, 17395), (2485, 12733), (3479, 9095), (3745, 8449), (4165, 7597), (5243, 6035)]