81331256

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{433}}^1\times {\mathrm{443}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 156083760

約数和(自身を除く): 74752504

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 433, 443, 866, 886, 1732, 1772, 3464, 3544, 22949, 23479, 45898, 46958, 91796, 93916, 183592, 187832, 191819, 383638, 767276, 1534552, 10166407, 20332814, 40665628, 81331256]

約数ペア:

[(1, 81331256), (2, 40665628), (4, 20332814), (8, 10166407), (53, 1534552), (106, 767276), (212, 383638), (424, 191819), (433, 187832), (443, 183592), (866, 93916), (886, 91796), (1732, 46958), (1772, 45898), (3464, 23479), (3544, 22949)]