289549918

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 520575984

約数和(自身を除く): 231026066

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 107, 214, 371, 521, 742, 749, 1042, 1498, 2597, 3647, 5194, 5243, 5671, 7294, 10486, 11342, 25529, 27613, 39697, 51058, 55226, 55747, 79394, 111494, 193291, 277879, 386582, 390229, 555758, 780458, 1353037, 2706074, 2731603, 2954591, 5463206, 5909182, 20682137, 41364274, 144774959, 289549918]

約数ペア:

[(1, 289549918), (2, 144774959), (7, 41364274), (14, 20682137), (49, 5909182), (53, 5463206), (98, 2954591), (106, 2731603), (107, 2706074), (214, 1353037), (371, 780458), (521, 555758), (742, 390229), (749, 386582), (1042, 277879), (1498, 193291), (2597, 111494), (3647, 79394), (5194, 55747), (5243, 55226), (5671, 51058), (7294, 39697), (10486, 27613), (11342, 25529)]