138468514

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 218592000

約数和(自身を除く): 80123486

約数列:

[1, 2, 43, 79, 86, 89, 158, 178, 229, 458, 3397, 3827, 6794, 7031, 7654, 9847, 14062, 18091, 19694, 20381, 36182, 40762, 302333, 604666, 777913, 876383, 1555826, 1610099, 1752766, 3220198, 69234257, 138468514]

約数ペア:

[(1, 138468514), (2, 69234257), (43, 3220198), (79, 1752766), (86, 1610099), (89, 1555826), (158, 876383), (178, 777913), (229, 604666), (458, 302333), (3397, 40762), (3827, 36182), (6794, 20381), (7031, 19694), (7654, 18091), (9847, 14062)]