278301436

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4889}}^1$

素因数の和:5026

約数の個数: 48

約数和(自身を含む): 591494400

約数和(自身を除く): 313192964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 532, 749, 1498, 2033, 2996, 4066, 4889, 8132, 9778, 14231, 19556, 28462, 34223, 56924, 68446, 92891, 136892, 185782, 371564, 523123, 650237, 1046246, 1300474, 2092492, 2600948, 3661861, 7323722, 9939337, 14647444, 19878674, 39757348, 69575359, 139150718, 278301436]

約数ペア:

[(1, 278301436), (2, 139150718), (4, 69575359), (7, 39757348), (14, 19878674), (19, 14647444), (28, 9939337), (38, 7323722), (76, 3661861), (107, 2600948), (133, 2092492), (214, 1300474), (266, 1046246), (428, 650237), (532, 523123), (749, 371564), (1498, 185782), (2033, 136892), (2996, 92891), (4066, 68446), (4889, 56924), (8132, 34223), (9778, 28462), (14231, 19556)]