128380343

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 166478760

約数和(自身を除く): 38098417

約数列:

[1, 7, 13, 37, 49, 91, 169, 259, 419, 481, 637, 1183, 1813, 2933, 3367, 5447, 6253, 8281, 15503, 20531, 23569, 38129, 43771, 70811, 108521, 201539, 266903, 306397, 495677, 759647, 1410773, 2620007, 3469739, 9875411, 18340049, 128380343]

約数ペア:

[(1, 128380343), (7, 18340049), (13, 9875411), (37, 3469739), (49, 2620007), (91, 1410773), (169, 759647), (259, 495677), (419, 306397), (481, 266903), (637, 201539), (1183, 108521), (1813, 70811), (2933, 43771), (3367, 38129), (5447, 23569), (6253, 20531), (8281, 15503)]