205101568

素因数分解:

$2^9\times 7^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:757

約数の個数: 80

約数和(自身を含む): 474344640

約数和(自身を除く): 269243072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 643, 712, 896, 1246, 1286, 1424, 1792, 2492, 2572, 2848, 3584, 4501, 4984, 5144, 5696, 9002, 9968, 10288, 11392, 18004, 19936, 20576, 22784, 36008, 39872, 41152, 45568, 57227, 72016, 79744, 82304, 114454, 144032, 159488, 164608, 228908, 288064, 318976, 329216, 400589, 457816, 576128, 801178, 915632, 1152256, 1602356, 1831264, 2304512, 3204712, 3662528, 6409424, 7325056, 12818848, 14650112, 25637696, 29300224, 51275392, 102550784, 205101568]

約数ペア:

[(1, 205101568), (2, 102550784), (4, 51275392), (7, 29300224), (8, 25637696), (14, 14650112), (16, 12818848), (28, 7325056), (32, 6409424), (56, 3662528), (64, 3204712), (89, 2304512), (112, 1831264), (128, 1602356), (178, 1152256), (224, 915632), (256, 801178), (356, 576128), (448, 457816), (512, 400589), (623, 329216), (643, 318976), (712, 288064), (896, 228908), (1246, 164608), (1286, 159488), (1424, 144032), (1792, 114454), (2492, 82304), (2572, 79744), (2848, 72016), (3584, 57227), (4501, 45568), (4984, 41152), (5144, 39872), (5696, 36008), (9002, 22784), (9968, 20576), (10288, 19936), (11392, 18004)]