398231366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1\times {\mathrm{587}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 653456160

約数和(自身を除く): 255224794

約数列:

[1, 2, 13, 26, 97, 194, 269, 538, 587, 1174, 1261, 2522, 3497, 6994, 7631, 15262, 26093, 52186, 56939, 113878, 157903, 315806, 339209, 678418, 740207, 1480414, 2052739, 4105478, 15316591, 30633182, 199115683, 398231366]

約数ペア:

[(1, 398231366), (2, 199115683), (13, 30633182), (26, 15316591), (97, 4105478), (194, 2052739), (269, 1480414), (538, 740207), (587, 678418), (1174, 339209), (1261, 315806), (2522, 157903), (3497, 113878), (6994, 56939), (7631, 52186), (15262, 26093)]