212125067

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 286032384

約数和(自身を除く): 73907317

約数列:

[1, 7, 11, 23, 49, 71, 77, 161, 241, 253, 497, 539, 781, 1127, 1633, 1687, 1771, 2651, 3479, 5467, 5543, 11431, 11809, 12397, 17111, 17963, 18557, 38269, 38801, 60973, 80017, 119777, 125741, 129899, 188221, 271607, 393553, 426811, 838439, 880187, 1317547, 2754871, 2987677, 4329083, 9222829, 19284097, 30303581, 212125067]

約数ペア:

[(1, 212125067), (7, 30303581), (11, 19284097), (23, 9222829), (49, 4329083), (71, 2987677), (77, 2754871), (161, 1317547), (241, 880187), (253, 838439), (497, 426811), (539, 393553), (781, 271607), (1127, 188221), (1633, 129899), (1687, 125741), (1771, 119777), (2651, 80017), (3479, 60973), (5467, 38801), (5543, 38269), (11431, 18557), (11809, 17963), (12397, 17111)]