71201525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 99435600

約数和(自身を除く): 28234075

約数列:

[1, 5, 17, 25, 29, 53, 85, 109, 145, 265, 425, 493, 545, 725, 901, 1325, 1537, 1853, 2465, 2725, 3161, 4505, 5777, 7685, 9265, 12325, 15805, 22525, 26129, 28885, 38425, 46325, 53737, 79025, 98209, 130645, 144425, 167533, 268685, 491045, 653225, 837665, 1343425, 2455225, 2848061, 4188325, 14240305, 71201525]

約数ペア:

[(1, 71201525), (5, 14240305), (17, 4188325), (25, 2848061), (29, 2455225), (53, 1343425), (85, 837665), (109, 653225), (145, 491045), (265, 268685), (425, 167533), (493, 144425), (545, 130645), (725, 98209), (901, 79025), (1325, 53737), (1537, 46325), (1853, 38425), (2465, 28885), (2725, 26129), (3161, 22525), (4505, 15805), (5777, 12325), (7685, 9265)]