216221406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 467078400

約数和(自身を除く): 250856994

約数列:

[1, 2, 3, 6, 19, 38, 57, 89, 101, 114, 178, 202, 211, 267, 303, 422, 534, 606, 633, 1266, 1691, 1919, 3382, 3838, 4009, 5073, 5757, 8018, 8989, 10146, 11514, 12027, 17978, 18779, 21311, 24054, 26967, 37558, 42622, 53934, 56337, 63933, 112674, 127866, 170791, 341582, 356801, 404909, 512373, 713602, 809818, 1024746, 1070403, 1214727, 1896679, 2140806, 2429454, 3793358, 5690037, 11380074, 36036901, 72073802, 108110703, 216221406]

約数ペア:

[(1, 216221406), (2, 108110703), (3, 72073802), (6, 36036901), (19, 11380074), (38, 5690037), (57, 3793358), (89, 2429454), (101, 2140806), (114, 1896679), (178, 1214727), (202, 1070403), (211, 1024746), (267, 809818), (303, 713602), (422, 512373), (534, 404909), (606, 356801), (633, 341582), (1266, 170791), (1691, 127866), (1919, 112674), (3382, 63933), (3838, 56337), (4009, 53934), (5073, 42622), (5757, 37558), (8018, 26967), (8989, 24054), (10146, 21311), (11514, 18779), (12027, 17978)]