1975465648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 4228479360

約数和(自身を除く): 2253013712

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 397, 509, 611, 752, 794, 1018, 1222, 1588, 2036, 2444, 3176, 4072, 4888, 5161, 6352, 6617, 8144, 9776, 10322, 13234, 18659, 20644, 23923, 26468, 37318, 41288, 47846, 52936, 74636, 82576, 95692, 105872, 149272, 191384, 202073, 242567, 298544, 310999, 382768, 404146, 485134, 621998, 808292, 970268, 1243996, 1616584, 1940536, 2487992, 2626949, 3233168, 3881072, 4975984, 5253898, 9497431, 10507796, 18994862, 21015592, 37989724, 42031184, 75979448, 123466603, 151958896, 246933206, 493866412, 987732824, 1975465648]

約数ペア:

[(1, 1975465648), (2, 987732824), (4, 493866412), (8, 246933206), (13, 151958896), (16, 123466603), (26, 75979448), (47, 42031184), (52, 37989724), (94, 21015592), (104, 18994862), (188, 10507796), (208, 9497431), (376, 5253898), (397, 4975984), (509, 3881072), (611, 3233168), (752, 2626949), (794, 2487992), (1018, 1940536), (1222, 1616584), (1588, 1243996), (2036, 970268), (2444, 808292), (3176, 621998), (4072, 485134), (4888, 404146), (5161, 382768), (6352, 310999), (6617, 298544), (8144, 242567), (9776, 202073), (10322, 191384), (13234, 149272), (18659, 105872), (20644, 95692), (23923, 82576), (26468, 74636), (37318, 52936), (41288, 47846)]