72491128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{1231}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 144365760

約数和(自身を除く): 71874632

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 433, 866, 1231, 1732, 2462, 3464, 4924, 7361, 9848, 14722, 20927, 29444, 41854, 58888, 83708, 167416, 533023, 1066046, 2132092, 4264184, 9061391, 18122782, 36245564, 72491128]

約数ペア:

[(1, 72491128), (2, 36245564), (4, 18122782), (8, 9061391), (17, 4264184), (34, 2132092), (68, 1066046), (136, 533023), (433, 167416), (866, 83708), (1231, 58888), (1732, 41854), (2462, 29444), (3464, 20927), (4924, 14722), (7361, 9848)]