28025879776

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 61139673504

約数和(自身を除く): 33113793728

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 313, 337, 361, 368, 437, 608, 626, 674, 722, 736, 874, 1252, 1348, 1444, 1748, 2504, 2696, 2888, 3496, 5008, 5392, 5776, 5947, 6403, 6992, 7199, 7751, 8303, 10016, 10784, 11552, 11894, 12806, 13984, 14398, 15502, 16606, 23788, 25612, 28796, 31004, 33212, 47576, 51224, 57592, 62008, 66424, 95152, 102448, 105481, 112993, 115184, 121657, 124016, 132848, 136781, 147269, 190304, 204896, 210962, 225986, 230368, 243314, 248032, 265696, 273562, 294538, 421924, 451972, 486628, 547124, 589076, 843848, 903944, 973256, 1094248, 1178152, 1687696, 1807888, 1946512, 2004139, 2188496, 2356304, 2426063, 2598839, 2798111, 3375392, 3615776, 3893024, 4008278, 4376992, 4712608, 4852126, 5197678, 5596222, 8016556, 9704252, 10395356, 11192444, 16033112, 19408504, 20790712, 22384888, 32066224, 38078641, 38817008, 41581424, 44769776, 46095197, 64132448, 76157282, 77634016, 83162848, 89539552, 92190394, 152314564, 184380788, 304629128, 368761576, 609258256, 737523152, 875808743, 1218516512, 1475046304, 1751617486, 3503234972, 7006469944, 14012939888, 28025879776]

約数ペア:

[(1, 28025879776), (2, 14012939888), (4, 7006469944), (8, 3503234972), (16, 1751617486), (19, 1475046304), (23, 1218516512), (32, 875808743), (38, 737523152), (46, 609258256), (76, 368761576), (92, 304629128), (152, 184380788), (184, 152314564), (304, 92190394), (313, 89539552), (337, 83162848), (361, 77634016), (368, 76157282), (437, 64132448), (608, 46095197), (626, 44769776), (674, 41581424), (722, 38817008), (736, 38078641), (874, 32066224), (1252, 22384888), (1348, 20790712), (1444, 19408504), (1748, 16033112), (2504, 11192444), (2696, 10395356), (2888, 9704252), (3496, 8016556), (5008, 5596222), (5392, 5197678), (5776, 4852126), (5947, 4712608), (6403, 4376992), (6992, 4008278), (7199, 3893024), (7751, 3615776), (8303, 3375392), (10016, 2798111), (10784, 2598839), (11552, 2426063), (11894, 2356304), (12806, 2188496), (13984, 2004139), (14398, 1946512), (15502, 1807888), (16606, 1687696), (23788, 1178152), (25612, 1094248), (28796, 973256), (31004, 903944), (33212, 843848), (47576, 589076), (51224, 547124), (57592, 486628), (62008, 451972), (66424, 421924), (95152, 294538), (102448, 273562), (105481, 265696), (112993, 248032), (115184, 243314), (121657, 230368), (124016, 225986), (132848, 210962), (136781, 204896), (147269, 190304)]