189161728

素因数分解:

$2^8\times 7^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 434211008

約数和(自身を除く): 245049280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 283, 373, 448, 566, 746, 896, 1132, 1492, 1792, 1981, 2264, 2611, 2984, 3962, 4528, 5222, 5968, 7924, 9056, 10444, 11936, 15848, 18112, 20888, 23872, 31696, 36224, 41776, 47744, 63392, 72448, 83552, 95488, 105559, 126784, 167104, 211118, 253568, 334208, 422236, 507136, 668416, 738913, 844472, 1477826, 1688944, 2955652, 3377888, 5911304, 6755776, 11822608, 13511552, 23645216, 27023104, 47290432, 94580864, 189161728]

約数ペア:

[(1, 189161728), (2, 94580864), (4, 47290432), (7, 27023104), (8, 23645216), (14, 13511552), (16, 11822608), (28, 6755776), (32, 5911304), (56, 3377888), (64, 2955652), (112, 1688944), (128, 1477826), (224, 844472), (256, 738913), (283, 668416), (373, 507136), (448, 422236), (566, 334208), (746, 253568), (896, 211118), (1132, 167104), (1492, 126784), (1792, 105559), (1981, 95488), (2264, 83552), (2611, 72448), (2984, 63392), (3962, 47744), (4528, 41776), (5222, 36224), (5968, 31696), (7924, 23872), (9056, 20888), (10444, 18112), (11936, 15848)]