389363968

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 943968256

約数和(自身を除く): 554604288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 56, 62, 64, 86, 112, 124, 128, 163, 172, 217, 224, 248, 256, 301, 326, 344, 434, 448, 496, 602, 652, 688, 868, 896, 992, 1141, 1204, 1304, 1333, 1376, 1736, 1792, 1984, 2282, 2408, 2608, 2666, 2752, 3472, 3968, 4564, 4816, 5053, 5216, 5332, 5504, 6944, 7009, 7936, 9128, 9331, 9632, 10106, 10432, 10664, 11008, 13888, 14018, 18256, 18662, 19264, 20212, 20864, 21328, 27776, 28036, 35371, 36512, 37324, 38528, 40424, 41728, 42656, 49063, 55552, 56072, 70742, 73024, 74648, 77056, 80848, 85312, 98126, 112144, 141484, 146048, 149296, 161696, 170624, 196252, 217279, 224288, 282968, 292096, 298592, 323392, 341248, 392504, 434558, 448576, 565936, 597184, 646784, 785008, 869116, 897152, 1131872, 1194368, 1293568, 1520953, 1570016, 1738232, 1794304, 2263744, 2388736, 3041906, 3140032, 3476464, 4527488, 6083812, 6280064, 6952928, 9054976, 12167624, 12560128, 13905856, 24335248, 27811712, 48670496, 55623424, 97340992, 194681984, 389363968]

約数ペア:

[(1, 389363968), (2, 194681984), (4, 97340992), (7, 55623424), (8, 48670496), (14, 27811712), (16, 24335248), (28, 13905856), (31, 12560128), (32, 12167624), (43, 9054976), (56, 6952928), (62, 6280064), (64, 6083812), (86, 4527488), (112, 3476464), (124, 3140032), (128, 3041906), (163, 2388736), (172, 2263744), (217, 1794304), (224, 1738232), (248, 1570016), (256, 1520953), (301, 1293568), (326, 1194368), (344, 1131872), (434, 897152), (448, 869116), (496, 785008), (602, 646784), (652, 597184), (688, 565936), (868, 448576), (896, 434558), (992, 392504), (1141, 341248), (1204, 323392), (1304, 298592), (1333, 292096), (1376, 282968), (1736, 224288), (1792, 217279), (1984, 196252), (2282, 170624), (2408, 161696), (2608, 149296), (2666, 146048), (2752, 141484), (3472, 112144), (3968, 98126), (4564, 85312), (4816, 80848), (5053, 77056), (5216, 74648), (5332, 73024), (5504, 70742), (6944, 56072), (7009, 55552), (7936, 49063), (9128, 42656), (9331, 41728), (9632, 40424), (10106, 38528), (10432, 37324), (10664, 36512), (11008, 35371), (13888, 28036), (14018, 27776), (18256, 21328), (18662, 20864), (19264, 20212)]