72186128

素因数分解:

$2^4\times 7^1\times {\mathrm{644519}}^1$

素因数の和:644534

約数の個数: 20

約数和(自身を含む): 159840960

約数和(自身を除く): 87654832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644519, 1289038, 2578076, 4511633, 5156152, 9023266, 10312304, 18046532, 36093064, 72186128]

約数ペア:

[(1, 72186128), (2, 36093064), (4, 18046532), (7, 10312304), (8, 9023266), (14, 5156152), (16, 4511633), (28, 2578076), (56, 1289038), (112, 644519)]