128501716

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 272469120

約数和(自身を除く): 143967404

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 79, 86, 98, 158, 172, 193, 196, 301, 316, 386, 553, 602, 772, 1106, 1204, 1351, 2107, 2212, 2702, 3397, 3871, 4214, 5404, 6794, 7742, 8299, 8428, 9457, 13588, 15247, 15484, 16598, 18914, 23779, 30494, 33196, 37828, 47558, 58093, 60988, 95116, 106729, 116186, 166453, 213458, 232372, 332906, 406651, 426916, 655621, 665812, 747103, 813302, 1311242, 1494206, 1626604, 2622484, 2988412, 4589347, 9178694, 18357388, 32125429, 64250858, 128501716]

約数ペア:

[(1, 128501716), (2, 64250858), (4, 32125429), (7, 18357388), (14, 9178694), (28, 4589347), (43, 2988412), (49, 2622484), (79, 1626604), (86, 1494206), (98, 1311242), (158, 813302), (172, 747103), (193, 665812), (196, 655621), (301, 426916), (316, 406651), (386, 332906), (553, 232372), (602, 213458), (772, 166453), (1106, 116186), (1204, 106729), (1351, 95116), (2107, 60988), (2212, 58093), (2702, 47558), (3397, 37828), (3871, 33196), (4214, 30494), (5404, 23779), (6794, 18914), (7742, 16598), (8299, 15484), (8428, 15247), (9457, 13588)]