131398212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 349138944

約数和(自身を除く): 217740732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 163, 186, 197, 326, 341, 372, 394, 489, 591, 652, 682, 788, 978, 1023, 1182, 1364, 1793, 1956, 2046, 2167, 2364, 3586, 4092, 4334, 5053, 5379, 6107, 6501, 7172, 8668, 10106, 10758, 12214, 13002, 15159, 18321, 20212, 21516, 24428, 26004, 30318, 32111, 36642, 55583, 60636, 64222, 67177, 73284, 96333, 111166, 128444, 134354, 166749, 192666, 201531, 222332, 268708, 333498, 353221, 385332, 403062, 666996, 706442, 806124, 995441, 1059663, 1412884, 1990882, 2119326, 2986323, 3981764, 4238652, 5972646, 10949851, 11945292, 21899702, 32849553, 43799404, 65699106, 131398212]

約数ペア:

[(1, 131398212), (2, 65699106), (3, 43799404), (4, 32849553), (6, 21899702), (11, 11945292), (12, 10949851), (22, 5972646), (31, 4238652), (33, 3981764), (44, 2986323), (62, 2119326), (66, 1990882), (93, 1412884), (124, 1059663), (132, 995441), (163, 806124), (186, 706442), (197, 666996), (326, 403062), (341, 385332), (372, 353221), (394, 333498), (489, 268708), (591, 222332), (652, 201531), (682, 192666), (788, 166749), (978, 134354), (1023, 128444), (1182, 111166), (1364, 96333), (1793, 73284), (1956, 67177), (2046, 64222), (2167, 60636), (2364, 55583), (3586, 36642), (4092, 32111), (4334, 30318), (5053, 26004), (5379, 24428), (6107, 21516), (6501, 20212), (7172, 18321), (8668, 15159), (10106, 13002), (10758, 12214)]