213555265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 333268992

約数和(自身を除く): 119713727

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 83, 163, 205, 287, 385, 415, 451, 581, 815, 913, 1141, 1435, 1793, 2255, 2905, 3157, 3403, 4565, 5705, 6391, 6683, 8965, 12551, 13529, 15785, 17015, 23821, 31955, 33415, 37433, 46781, 62755, 67645, 73513, 94703, 119105, 148819, 187165, 233905, 262031, 367565, 473515, 514591, 554689, 744095, 1041733, 1310155, 2572955, 2773445, 3882823, 5208665, 6101579, 19414115, 30507895, 42711053, 213555265]

約数ペア:

[(1, 213555265), (5, 42711053), (7, 30507895), (11, 19414115), (35, 6101579), (41, 5208665), (55, 3882823), (77, 2773445), (83, 2572955), (163, 1310155), (205, 1041733), (287, 744095), (385, 554689), (415, 514591), (451, 473515), (581, 367565), (815, 262031), (913, 233905), (1141, 187165), (1435, 148819), (1793, 119105), (2255, 94703), (2905, 73513), (3157, 67645), (3403, 62755), (4565, 46781), (5705, 37433), (6391, 33415), (6683, 31955), (8965, 23821), (12551, 17015), (13529, 15785)]