161663872

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 340394400

約数和(自身を除く): 178730528

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 128, 178, 184, 356, 368, 617, 712, 736, 1234, 1424, 1472, 2047, 2468, 2848, 2944, 4094, 4936, 5696, 8188, 9872, 11392, 14191, 16376, 19744, 28382, 32752, 39488, 54913, 56764, 65504, 78976, 109826, 113528, 131008, 219652, 227056, 262016, 439304, 454112, 878608, 908224, 1262999, 1757216, 1816448, 2525998, 3514432, 5051996, 7028864, 10103992, 20207984, 40415968, 80831936, 161663872]

約数ペア:

[(1, 161663872), (2, 80831936), (4, 40415968), (8, 20207984), (16, 10103992), (23, 7028864), (32, 5051996), (46, 3514432), (64, 2525998), (89, 1816448), (92, 1757216), (128, 1262999), (178, 908224), (184, 878608), (356, 454112), (368, 439304), (617, 262016), (712, 227056), (736, 219652), (1234, 131008), (1424, 113528), (1472, 109826), (2047, 78976), (2468, 65504), (2848, 56764), (2944, 54913), (4094, 39488), (4936, 32752), (5696, 28382), (8188, 19744), (9872, 16376), (11392, 14191)]