215343359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 290267136

約数和(自身を除く): 74923777

約数列:

[1, 7, 11, 19, 61, 77, 127, 133, 209, 361, 427, 671, 889, 1159, 1397, 1463, 2413, 2527, 3971, 4697, 7747, 8113, 9779, 12749, 16891, 22021, 26543, 27797, 45847, 54229, 85217, 89243, 147193, 154147, 185801, 242231, 320929, 504317, 596519, 1030351, 1619123, 1695617, 2796667, 3530219, 11333861, 19576669, 30763337, 215343359]

約数ペア:

[(1, 215343359), (7, 30763337), (11, 19576669), (19, 11333861), (61, 3530219), (77, 2796667), (127, 1695617), (133, 1619123), (209, 1030351), (361, 596519), (427, 504317), (671, 320929), (889, 242231), (1159, 185801), (1397, 154147), (1463, 147193), (2413, 89243), (2527, 85217), (3971, 54229), (4697, 45847), (7747, 27797), (8113, 26543), (9779, 22021), (12749, 16891)]