989657312

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 2426251968

約数和(自身を除く): 1436594656

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 137, 196, 224, 238, 271, 272, 274, 392, 476, 542, 544, 548, 784, 833, 952, 959, 1084, 1096, 1568, 1666, 1897, 1904, 1918, 2168, 2192, 2329, 3332, 3794, 3808, 3836, 4336, 4384, 4607, 4658, 6664, 6713, 7588, 7672, 8672, 9214, 9316, 13279, 13328, 13426, 15176, 15344, 16303, 18428, 18632, 26558, 26656, 26852, 30352, 30688, 32249, 32606, 36856, 37127, 37264, 53116, 53704, 60704, 64498, 65212, 73712, 74254, 74528, 106232, 107408, 114121, 128996, 130424, 147424, 148508, 212464, 214816, 225743, 228242, 257992, 259889, 260848, 297016, 424928, 451486, 456484, 515984, 519778, 521696, 594032, 631159, 902972, 912968, 1031968, 1039556, 1188064, 1262318, 1805944, 1819223, 1825936, 2079112, 2524636, 3611888, 3638446, 3651872, 4158224, 4418113, 5049272, 7223776, 7276892, 8316448, 8836226, 10098544, 14553784, 17672452, 20197088, 29107568, 30926791, 35344904, 58215136, 61853582, 70689808, 123707164, 141379616, 247414328, 494828656, 989657312]

約数ペア:

[(1, 989657312), (2, 494828656), (4, 247414328), (7, 141379616), (8, 123707164), (14, 70689808), (16, 61853582), (17, 58215136), (28, 35344904), (32, 30926791), (34, 29107568), (49, 20197088), (56, 17672452), (68, 14553784), (98, 10098544), (112, 8836226), (119, 8316448), (136, 7276892), (137, 7223776), (196, 5049272), (224, 4418113), (238, 4158224), (271, 3651872), (272, 3638446), (274, 3611888), (392, 2524636), (476, 2079112), (542, 1825936), (544, 1819223), (548, 1805944), (784, 1262318), (833, 1188064), (952, 1039556), (959, 1031968), (1084, 912968), (1096, 902972), (1568, 631159), (1666, 594032), (1897, 521696), (1904, 519778), (1918, 515984), (2168, 456484), (2192, 451486), (2329, 424928), (3332, 297016), (3794, 260848), (3808, 259889), (3836, 257992), (4336, 228242), (4384, 225743), (4607, 214816), (4658, 212464), (6664, 148508), (6713, 147424), (7588, 130424), (7672, 128996), (8672, 114121), (9214, 107408), (9316, 106232), (13279, 74528), (13328, 74254), (13426, 73712), (15176, 65212), (15344, 64498), (16303, 60704), (18428, 53704), (18632, 53116), (26558, 37264), (26656, 37127), (26852, 36856), (30352, 32606), (30688, 32249)]