981728384

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1070

約数の個数: 128

約数和(自身を含む): 2436739200

約数和(自身を除く): 1455010816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 89, 91, 104, 112, 128, 178, 182, 208, 224, 356, 364, 416, 448, 623, 712, 728, 832, 896, 947, 1157, 1246, 1424, 1456, 1664, 1894, 2314, 2492, 2848, 2912, 3788, 4628, 4984, 5696, 5824, 6629, 7576, 8099, 9256, 9968, 11392, 11648, 12311, 13258, 15152, 16198, 18512, 19936, 24622, 26516, 30304, 32396, 37024, 39872, 49244, 53032, 60608, 64792, 74048, 79744, 84283, 86177, 98488, 106064, 121216, 129584, 148096, 168566, 172354, 196976, 212128, 259168, 337132, 344708, 393952, 424256, 518336, 589981, 674264, 689416, 787904, 848512, 1036672, 1095679, 1179962, 1348528, 1378832, 1575808, 2191358, 2359924, 2697056, 2757664, 4382716, 4719848, 5394112, 5515328, 7669753, 8765432, 9439696, 10788224, 11030656, 15339506, 17530864, 18879392, 30679012, 35061728, 37758784, 61358024, 70123456, 75517568, 122716048, 140246912, 245432096, 490864192, 981728384]

約数ペア:

[(1, 981728384), (2, 490864192), (4, 245432096), (7, 140246912), (8, 122716048), (13, 75517568), (14, 70123456), (16, 61358024), (26, 37758784), (28, 35061728), (32, 30679012), (52, 18879392), (56, 17530864), (64, 15339506), (89, 11030656), (91, 10788224), (104, 9439696), (112, 8765432), (128, 7669753), (178, 5515328), (182, 5394112), (208, 4719848), (224, 4382716), (356, 2757664), (364, 2697056), (416, 2359924), (448, 2191358), (623, 1575808), (712, 1378832), (728, 1348528), (832, 1179962), (896, 1095679), (947, 1036672), (1157, 848512), (1246, 787904), (1424, 689416), (1456, 674264), (1664, 589981), (1894, 518336), (2314, 424256), (2492, 393952), (2848, 344708), (2912, 337132), (3788, 259168), (4628, 212128), (4984, 196976), (5696, 172354), (5824, 168566), (6629, 148096), (7576, 129584), (8099, 121216), (9256, 106064), (9968, 98488), (11392, 86177), (11648, 84283), (12311, 79744), (13258, 74048), (15152, 64792), (16198, 60608), (18512, 53032), (19936, 49244), (24622, 39872), (26516, 37024), (30304, 32396)]