81861834

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 180576000

約数和(自身を除く): 98714166

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 109, 111, 199, 218, 222, 327, 398, 597, 629, 654, 1194, 1258, 1853, 1887, 3383, 3706, 3774, 4033, 5559, 6766, 7363, 8066, 10149, 11118, 12099, 14726, 20298, 21691, 22089, 24198, 43382, 44178, 65073, 68561, 125171, 130146, 137122, 205683, 250342, 368747, 375513, 411366, 737494, 751026, 802567, 1106241, 1605134, 2212482, 2407701, 4815402, 13643639, 27287278, 40930917, 81861834]

約数ペア:

[(1, 81861834), (2, 40930917), (3, 27287278), (6, 13643639), (17, 4815402), (34, 2407701), (37, 2212482), (51, 1605134), (74, 1106241), (102, 802567), (109, 751026), (111, 737494), (199, 411366), (218, 375513), (222, 368747), (327, 250342), (398, 205683), (597, 137122), (629, 130146), (654, 125171), (1194, 68561), (1258, 65073), (1853, 44178), (1887, 43382), (3383, 24198), (3706, 22089), (3774, 21691), (4033, 20298), (5559, 14726), (6766, 12099), (7363, 11118), (8066, 10149)]