31145105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 10845295

約数列:

[1, 5, 17, 23, 85, 89, 115, 179, 391, 445, 895, 1513, 1955, 2047, 3043, 4117, 7565, 10235, 15215, 15931, 20585, 34799, 69989, 79655, 173995, 270827, 349945, 366413, 1354135, 1832065, 6229021, 31145105]

約数ペア:

[(1, 31145105), (5, 6229021), (17, 1832065), (23, 1354135), (85, 366413), (89, 349945), (115, 270827), (179, 173995), (391, 79655), (445, 69989), (895, 34799), (1513, 20585), (1955, 15931), (2047, 15215), (3043, 10235), (4117, 7565)]