51221986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 87989760

約数和(自身を除く): 36767774

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 1258, 1406, 2143, 4286, 11951, 23902, 36431, 40717, 72862, 79291, 81434, 158582, 692189, 1347947, 1384378, 1506529, 2695894, 3013058, 25610993, 51221986]

約数ペア:

[(1, 51221986), (2, 25610993), (17, 3013058), (19, 2695894), (34, 1506529), (37, 1384378), (38, 1347947), (74, 692189), (323, 158582), (629, 81434), (646, 79291), (703, 72862), (1258, 40717), (1406, 36431), (2143, 23902), (4286, 11951)]