31202275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 45552640

約数和(自身を除く): 14350365

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 163, 247, 325, 403, 475, 589, 775, 815, 1235, 2015, 2119, 2945, 3097, 4075, 5053, 6175, 7657, 10075, 10595, 14725, 15485, 25265, 38285, 40261, 52975, 65689, 77425, 96007, 126325, 191425, 201305, 328445, 480035, 1006525, 1248091, 1642225, 2400175, 6240455, 31202275]

約数ペア:

[(1, 31202275), (5, 6240455), (13, 2400175), (19, 1642225), (25, 1248091), (31, 1006525), (65, 480035), (95, 328445), (155, 201305), (163, 191425), (247, 126325), (325, 96007), (403, 77425), (475, 65689), (589, 52975), (775, 40261), (815, 38285), (1235, 25265), (2015, 15485), (2119, 14725), (2945, 10595), (3097, 10075), (4075, 7657), (5053, 6175)]