820512588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{315097}}^1$

素因数の和:315142

約数の個数: 48

約数和(自身を含む): 2258622464

約数和(自身を除く): 1438109876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 315097, 630194, 945291, 1260388, 1890582, 2205679, 3781164, 4411358, 6617037, 8822716, 9768007, 13234074, 19536014, 26468148, 29304021, 39072028, 58608042, 68376049, 117216084, 136752098, 205128147, 273504196, 410256294, 820512588]

約数ペア:

[(1, 820512588), (2, 410256294), (3, 273504196), (4, 205128147), (6, 136752098), (7, 117216084), (12, 68376049), (14, 58608042), (21, 39072028), (28, 29304021), (31, 26468148), (42, 19536014), (62, 13234074), (84, 9768007), (93, 8822716), (124, 6617037), (186, 4411358), (217, 3781164), (372, 2205679), (434, 1890582), (651, 1260388), (868, 945291), (1302, 630194), (2604, 315097)]