258886208

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2720

約数の個数: 84

約数和(自身を含む): 617110272

約数和(自身を除く): 358224064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 217, 224, 248, 392, 434, 448, 496, 784, 868, 992, 1519, 1568, 1736, 1984, 2663, 3038, 3136, 3472, 5326, 6076, 6944, 10652, 12152, 13888, 18641, 21304, 24304, 37282, 42608, 48608, 74564, 82553, 85216, 97216, 130487, 149128, 165106, 170432, 260974, 298256, 330212, 521948, 577871, 596512, 660424, 1043896, 1155742, 1193024, 1320848, 2087792, 2311484, 2641696, 4045097, 4175584, 4622968, 5283392, 8090194, 8351168, 9245936, 16180388, 18491872, 32360776, 36983744, 64721552, 129443104, 258886208]

約数ペア:

[(1, 258886208), (2, 129443104), (4, 64721552), (7, 36983744), (8, 32360776), (14, 18491872), (16, 16180388), (28, 9245936), (31, 8351168), (32, 8090194), (49, 5283392), (56, 4622968), (62, 4175584), (64, 4045097), (98, 2641696), (112, 2311484), (124, 2087792), (196, 1320848), (217, 1193024), (224, 1155742), (248, 1043896), (392, 660424), (434, 596512), (448, 577871), (496, 521948), (784, 330212), (868, 298256), (992, 260974), (1519, 170432), (1568, 165106), (1736, 149128), (1984, 130487), (2663, 97216), (3038, 85216), (3136, 82553), (3472, 74564), (5326, 48608), (6076, 42608), (6944, 37282), (10652, 24304), (12152, 21304), (13888, 18641)]