991362944

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1400

約数の個数: 128

約数和(自身を含む): 2378648160

約数和(自身を除く): 1387285216

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 41, 44, 52, 64, 82, 88, 104, 128, 143, 164, 176, 208, 286, 328, 352, 416, 451, 533, 572, 656, 704, 832, 902, 1066, 1144, 1312, 1321, 1408, 1664, 1804, 2132, 2288, 2624, 2642, 3608, 4264, 4576, 5248, 5284, 5863, 7216, 8528, 9152, 10568, 11726, 14432, 14531, 17056, 17173, 18304, 21136, 23452, 28864, 29062, 34112, 34346, 42272, 46904, 54161, 57728, 58124, 68224, 68692, 84544, 93808, 108322, 116248, 137384, 169088, 187616, 188903, 216644, 232496, 274768, 375232, 377806, 433288, 464992, 549536, 595771, 704093, 750464, 755612, 866576, 929984, 1099072, 1191542, 1408186, 1511224, 1733152, 1859968, 2198144, 2383084, 2816372, 3022448, 3466304, 4766168, 5632744, 6044896, 6932608, 7745023, 9532336, 11265488, 12089792, 15490046, 19064672, 22530976, 24179584, 30980092, 38129344, 45061952, 61960184, 76258688, 90123904, 123920368, 247840736, 495681472, 991362944]

約数ペア:

[(1, 991362944), (2, 495681472), (4, 247840736), (8, 123920368), (11, 90123904), (13, 76258688), (16, 61960184), (22, 45061952), (26, 38129344), (32, 30980092), (41, 24179584), (44, 22530976), (52, 19064672), (64, 15490046), (82, 12089792), (88, 11265488), (104, 9532336), (128, 7745023), (143, 6932608), (164, 6044896), (176, 5632744), (208, 4766168), (286, 3466304), (328, 3022448), (352, 2816372), (416, 2383084), (451, 2198144), (533, 1859968), (572, 1733152), (656, 1511224), (704, 1408186), (832, 1191542), (902, 1099072), (1066, 929984), (1144, 866576), (1312, 755612), (1321, 750464), (1408, 704093), (1664, 595771), (1804, 549536), (2132, 464992), (2288, 433288), (2624, 377806), (2642, 375232), (3608, 274768), (4264, 232496), (4576, 216644), (5248, 188903), (5284, 187616), (5863, 169088), (7216, 137384), (8528, 116248), (9152, 108322), (10568, 93808), (11726, 84544), (14432, 68692), (14531, 68224), (17056, 58124), (17173, 57728), (18304, 54161), (21136, 46904), (23452, 42272), (28864, 34346), (29062, 34112)]