208023361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 271566848

約数和(自身を除く): 63543487

約数列:

[1, 7, 13, 31, 37, 91, 217, 259, 403, 481, 1147, 1993, 2821, 3367, 8029, 13951, 14911, 25909, 61783, 73741, 104377, 181363, 432481, 516187, 803179, 958633, 2285971, 5622253, 6710431, 16001797, 29717623, 208023361]

約数ペア:

[(1, 208023361), (7, 29717623), (13, 16001797), (31, 6710431), (37, 5622253), (91, 2285971), (217, 958633), (259, 803179), (403, 516187), (481, 432481), (1147, 181363), (1993, 104377), (2821, 73741), (3367, 61783), (8029, 25909), (13951, 14911)]