259916384

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 658790496

約数和(自身を除く): 398874112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 49, 52, 56, 82, 91, 98, 104, 112, 164, 182, 196, 208, 224, 287, 311, 328, 364, 392, 416, 533, 574, 622, 637, 656, 728, 784, 1066, 1148, 1244, 1274, 1312, 1456, 1568, 2009, 2132, 2177, 2296, 2488, 2548, 2912, 3731, 4018, 4043, 4264, 4354, 4592, 4976, 5096, 7462, 8036, 8086, 8528, 8708, 9184, 9952, 10192, 12751, 14924, 15239, 16072, 16172, 17056, 17416, 20384, 25502, 26117, 28301, 29848, 30478, 32144, 32344, 34832, 51004, 52234, 56602, 59696, 60956, 64288, 64688, 69664, 89257, 102008, 104468, 113204, 119392, 121912, 129376, 165763, 178514, 198107, 204016, 208936, 226408, 243824, 331526, 357028, 396214, 408032, 417872, 452816, 487648, 624799, 663052, 714056, 792428, 835744, 905632, 1160341, 1249598, 1326104, 1428112, 1584856, 2320682, 2499196, 2652208, 2856224, 3169712, 4641364, 4998392, 5304416, 6339424, 8122387, 9282728, 9996784, 16244774, 18565456, 19993568, 32489548, 37130912, 64979096, 129958192, 259916384]

約数ペア:

[(1, 259916384), (2, 129958192), (4, 64979096), (7, 37130912), (8, 32489548), (13, 19993568), (14, 18565456), (16, 16244774), (26, 9996784), (28, 9282728), (32, 8122387), (41, 6339424), (49, 5304416), (52, 4998392), (56, 4641364), (82, 3169712), (91, 2856224), (98, 2652208), (104, 2499196), (112, 2320682), (164, 1584856), (182, 1428112), (196, 1326104), (208, 1249598), (224, 1160341), (287, 905632), (311, 835744), (328, 792428), (364, 714056), (392, 663052), (416, 624799), (533, 487648), (574, 452816), (622, 417872), (637, 408032), (656, 396214), (728, 357028), (784, 331526), (1066, 243824), (1148, 226408), (1244, 208936), (1274, 204016), (1312, 198107), (1456, 178514), (1568, 165763), (2009, 129376), (2132, 121912), (2177, 119392), (2296, 113204), (2488, 104468), (2548, 102008), (2912, 89257), (3731, 69664), (4018, 64688), (4043, 64288), (4264, 60956), (4354, 59696), (4592, 56602), (4976, 52234), (5096, 51004), (7462, 34832), (8036, 32344), (8086, 32144), (8528, 30478), (8708, 29848), (9184, 28301), (9952, 26117), (10192, 25502), (12751, 20384), (14924, 17416), (15239, 17056), (16072, 16172)]