668868844

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{508259}}^1$

素因数の和:508317

約数の個数: 24

約数和(自身を含む): 1366202880

約数和(自身を除く): 697334036

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 508259, 1016518, 2033036, 3557813, 7115626, 14231252, 23888173, 47776346, 95552692, 167217211, 334434422, 668868844]

約数ペア:

[(1, 668868844), (2, 334434422), (4, 167217211), (7, 95552692), (14, 47776346), (28, 23888173), (47, 14231252), (94, 7115626), (188, 3557813), (329, 2033036), (658, 1016518), (1316, 508259)]