164558215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2053}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 223606656

約数和(自身を除く): 59048441

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 2053, 3485, 4715, 10265, 16031, 34901, 47219, 80155, 84173, 174505, 236095, 420865, 802723, 1430941, 1935979, 4013615, 7154705, 9679895, 32911643, 164558215]

約数ペア:

[(1, 164558215), (5, 32911643), (17, 9679895), (23, 7154705), (41, 4013615), (85, 1935979), (115, 1430941), (205, 802723), (391, 420865), (697, 236095), (943, 174505), (1955, 84173), (2053, 80155), (3485, 47219), (4715, 34901), (10265, 16031)]