217175035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 344736000

約数和(自身を除く): 127560965

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 385, 605, 665, 847, 1045, 1463, 2299, 2699, 4235, 7315, 11495, 13495, 16093, 18893, 29689, 51281, 80465, 94465, 148445, 207823, 256405, 326579, 358967, 564091, 1039115, 1632895, 1794835, 2286053, 2820455, 3948637, 6205001, 11430265, 19743185, 31025005, 43435007, 217175035]

約数ペア:

[(1, 217175035), (5, 43435007), (7, 31025005), (11, 19743185), (19, 11430265), (35, 6205001), (55, 3948637), (77, 2820455), (95, 2286053), (121, 1794835), (133, 1632895), (209, 1039115), (385, 564091), (605, 358967), (665, 326579), (847, 256405), (1045, 207823), (1463, 148445), (2299, 94465), (2699, 80465), (4235, 51281), (7315, 29689), (11495, 18893), (13495, 16093)]