71997128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 161894400

約数和(自身を除く): 89897272

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 67, 124, 134, 217, 248, 268, 434, 469, 536, 619, 868, 938, 1238, 1736, 1876, 2077, 2476, 3752, 4154, 4333, 4952, 8308, 8666, 14539, 16616, 17332, 19189, 29078, 34664, 38378, 41473, 58156, 76756, 82946, 116312, 134323, 153512, 165892, 268646, 290311, 331784, 537292, 580622, 1074584, 1161244, 1285663, 2322488, 2571326, 5142652, 8999641, 10285304, 17999282, 35998564, 71997128]

約数ペア:

[(1, 71997128), (2, 35998564), (4, 17999282), (7, 10285304), (8, 8999641), (14, 5142652), (28, 2571326), (31, 2322488), (56, 1285663), (62, 1161244), (67, 1074584), (124, 580622), (134, 537292), (217, 331784), (248, 290311), (268, 268646), (434, 165892), (469, 153512), (536, 134323), (619, 116312), (868, 82946), (938, 76756), (1238, 58156), (1736, 41473), (1876, 38378), (2077, 34664), (2476, 29078), (3752, 19189), (4154, 17332), (4333, 16616), (4952, 14539), (8308, 8666)]