268678319

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 365305248

約数和(自身を除く): 96626929

約数列:

[1, 7, 13, 17, 43, 49, 91, 119, 221, 301, 559, 577, 637, 731, 833, 1547, 2107, 3913, 4039, 5117, 7501, 9503, 9809, 10829, 24811, 27391, 28273, 35819, 52507, 66521, 68663, 127517, 173677, 322543, 367549, 421787, 465647, 480641, 892619, 1215739, 2257801, 2952509, 5483231, 6248333, 15804607, 20667563, 38382617, 268678319]

約数ペア:

[(1, 268678319), (7, 38382617), (13, 20667563), (17, 15804607), (43, 6248333), (49, 5483231), (91, 2952509), (119, 2257801), (221, 1215739), (301, 892619), (559, 480641), (577, 465647), (637, 421787), (731, 367549), (833, 322543), (1547, 173677), (2107, 127517), (3913, 68663), (4039, 66521), (5117, 52507), (7501, 35819), (9503, 28273), (9809, 27391), (10829, 24811)]