388214281

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 497081088

約数和(自身を除く): 108866807

約数列:

[1, 7, 13, 41, 67, 91, 287, 469, 533, 871, 1553, 2747, 3731, 6097, 10871, 19229, 20189, 35711, 63673, 104051, 141323, 249977, 445711, 728357, 827749, 1352663, 4266091, 5794243, 9468641, 29862637, 55459183, 388214281]

約数ペア:

[(1, 388214281), (7, 55459183), (13, 29862637), (41, 9468641), (67, 5794243), (91, 4266091), (287, 1352663), (469, 827749), (533, 728357), (871, 445711), (1553, 249977), (2747, 141323), (3731, 104051), (6097, 63673), (10871, 35711), (19229, 20189)]