81031944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 245975040

約数和(自身を除く): 164943096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 67, 69, 84, 92, 134, 138, 161, 168, 184, 201, 268, 276, 313, 322, 402, 469, 483, 536, 552, 626, 644, 804, 938, 939, 966, 1252, 1288, 1407, 1541, 1608, 1876, 1878, 1932, 2191, 2504, 2814, 3082, 3752, 3756, 3864, 4382, 4623, 5628, 6164, 6573, 7199, 7512, 8764, 9246, 10787, 11256, 12328, 13146, 14398, 17528, 18492, 20971, 21574, 21597, 26292, 28796, 32361, 36984, 41942, 43148, 43194, 50393, 52584, 57592, 62913, 64722, 83884, 86296, 86388, 100786, 125826, 129444, 146797, 151179, 167768, 172776, 201572, 251652, 258888, 293594, 302358, 403144, 440391, 482333, 503304, 587188, 604716, 880782, 964666, 1174376, 1209432, 1446999, 1761564, 1929332, 2893998, 3376331, 3523128, 3858664, 5787996, 6752662, 10128993, 11575992, 13505324, 20257986, 27010648, 40515972, 81031944]

約数ペア:

[(1, 81031944), (2, 40515972), (3, 27010648), (4, 20257986), (6, 13505324), (7, 11575992), (8, 10128993), (12, 6752662), (14, 5787996), (21, 3858664), (23, 3523128), (24, 3376331), (28, 2893998), (42, 1929332), (46, 1761564), (56, 1446999), (67, 1209432), (69, 1174376), (84, 964666), (92, 880782), (134, 604716), (138, 587188), (161, 503304), (168, 482333), (184, 440391), (201, 403144), (268, 302358), (276, 293594), (313, 258888), (322, 251652), (402, 201572), (469, 172776), (483, 167768), (536, 151179), (552, 146797), (626, 129444), (644, 125826), (804, 100786), (938, 86388), (939, 86296), (966, 83884), (1252, 64722), (1288, 62913), (1407, 57592), (1541, 52584), (1608, 50393), (1876, 43194), (1878, 43148), (1932, 41942), (2191, 36984), (2504, 32361), (2814, 28796), (3082, 26292), (3752, 21597), (3756, 21574), (3864, 20971), (4382, 18492), (4623, 17528), (5628, 14398), (6164, 13146), (6573, 12328), (7199, 11256), (7512, 10787), (8764, 9246)]