128534875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8641}}^1$

素因数の和:8680

約数の個数: 32

約数和(自身を含む): 194133888

約数和(自身を除く): 65599013

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 425, 595, 875, 2125, 2975, 8641, 14875, 43205, 60487, 146897, 216025, 302435, 734485, 1028279, 1080125, 1512175, 3672425, 5141395, 7560875, 18362125, 25706975, 128534875]

約数ペア:

[(1, 128534875), (5, 25706975), (7, 18362125), (17, 7560875), (25, 5141395), (35, 3672425), (85, 1512175), (119, 1080125), (125, 1028279), (175, 734485), (425, 302435), (595, 216025), (875, 146897), (2125, 60487), (2975, 43205), (8641, 14875)]