399165718

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{5839}}^1$

素因数の和:6124

約数の個数: 32

約数和(自身を含む): 723225600

約数和(自身を除く): 324059882

約数列:

[1, 2, 7, 14, 19, 38, 133, 257, 266, 514, 1799, 3598, 4883, 5839, 9766, 11678, 34181, 40873, 68362, 81746, 110941, 221882, 776587, 1500623, 1553174, 3001246, 10504361, 21008722, 28511837, 57023674, 199582859, 399165718]

約数ペア:

[(1, 399165718), (2, 199582859), (7, 57023674), (14, 28511837), (19, 21008722), (38, 10504361), (133, 3001246), (257, 1553174), (266, 1500623), (514, 776587), (1799, 221882), (3598, 110941), (4883, 81746), (5839, 68362), (9766, 40873), (11678, 34181)]