28991302

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 47491200

約数和(自身を除く): 18499898

約数列:

[1, 2, 19, 38, 59, 67, 118, 134, 193, 386, 1121, 1273, 2242, 2546, 3667, 3953, 7334, 7906, 11387, 12931, 22774, 25862, 75107, 150214, 216353, 245689, 432706, 491378, 762929, 1525858, 14495651, 28991302]

約数ペア:

[(1, 28991302), (2, 14495651), (19, 1525858), (38, 762929), (59, 491378), (67, 432706), (118, 245689), (134, 216353), (193, 150214), (386, 75107), (1121, 25862), (1273, 22774), (2242, 12931), (2546, 11387), (3667, 7906), (3953, 7334)]