397888918

素因数分解:

$2^1\times 7^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 56

約数和(自身を含む): 741187800

約数和(自身を除く): 343298882

約数列:

[1, 2, 7, 14, 19, 38, 49, 89, 98, 133, 178, 266, 343, 623, 686, 931, 1246, 1691, 1862, 2401, 3382, 4361, 4802, 6517, 8722, 11837, 13034, 16807, 23674, 30527, 33614, 45619, 61054, 82859, 91238, 117649, 165718, 213689, 235298, 319333, 427378, 580013, 638666, 1160026, 1495823, 2235331, 2991646, 4060091, 4470662, 8120182, 10470761, 20941522, 28420637, 56841274, 198944459, 397888918]

約数ペア:

[(1, 397888918), (2, 198944459), (7, 56841274), (14, 28420637), (19, 20941522), (38, 10470761), (49, 8120182), (89, 4470662), (98, 4060091), (133, 2991646), (178, 2235331), (266, 1495823), (343, 1160026), (623, 638666), (686, 580013), (931, 427378), (1246, 319333), (1691, 235298), (1862, 213689), (2401, 165718), (3382, 117649), (4361, 91238), (4802, 82859), (6517, 61054), (8722, 45619), (11837, 33614), (13034, 30527), (16807, 23674)]