639469184

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2617}}^1$

素因数の和:2737

約数の個数: 64

約数和(自身を含む): 1345861440

約数和(自身を除く): 706392256

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 92, 128, 166, 184, 332, 368, 664, 736, 1328, 1472, 1909, 2617, 2656, 2944, 3818, 5234, 5312, 7636, 10468, 10624, 15272, 20936, 30544, 41872, 60191, 61088, 83744, 120382, 122176, 167488, 217211, 240764, 244352, 334976, 434422, 481528, 868844, 963056, 1737688, 1926112, 3475376, 3852224, 4995853, 6950752, 7704448, 9991706, 13901504, 19983412, 27803008, 39966824, 79933648, 159867296, 319734592, 639469184]

約数ペア:

[(1, 639469184), (2, 319734592), (4, 159867296), (8, 79933648), (16, 39966824), (23, 27803008), (32, 19983412), (46, 13901504), (64, 9991706), (83, 7704448), (92, 6950752), (128, 4995853), (166, 3852224), (184, 3475376), (332, 1926112), (368, 1737688), (664, 963056), (736, 868844), (1328, 481528), (1472, 434422), (1909, 334976), (2617, 244352), (2656, 240764), (2944, 217211), (3818, 167488), (5234, 122176), (5312, 120382), (7636, 83744), (10468, 61088), (10624, 60191), (15272, 41872), (20936, 30544)]