128437057

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 160392960

約数和(自身を除く): 31955903

約数列:

[1, 7, 17, 67, 89, 119, 181, 469, 623, 1139, 1267, 1513, 3077, 5963, 7973, 10591, 12127, 16109, 21539, 41741, 84889, 101371, 112763, 206159, 273853, 709597, 1079303, 1443113, 1916971, 7555121, 18348151, 128437057]

約数ペア:

[(1, 128437057), (7, 18348151), (17, 7555121), (67, 1916971), (89, 1443113), (119, 1079303), (181, 709597), (469, 273853), (623, 206159), (1139, 112763), (1267, 101371), (1513, 84889), (3077, 41741), (5963, 21539), (7973, 16109), (10591, 12127)]