7883982

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 17971200

約数和(自身を除く): 10087218

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 199, 213, 279, 398, 426, 558, 597, 639, 1194, 1278, 1791, 2201, 3582, 4402, 6169, 6603, 12338, 13206, 14129, 18507, 19809, 28258, 37014, 39618, 42387, 55521, 84774, 111042, 127161, 254322, 437999, 875998, 1313997, 2627994, 3941991, 7883982]

約数ペア:

[(1, 7883982), (2, 3941991), (3, 2627994), (6, 1313997), (9, 875998), (18, 437999), (31, 254322), (62, 127161), (71, 111042), (93, 84774), (142, 55521), (186, 42387), (199, 39618), (213, 37014), (279, 28258), (398, 19809), (426, 18507), (558, 14129), (597, 13206), (639, 12338), (1194, 6603), (1278, 6169), (1791, 4402), (2201, 3582)]