81002358

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 185702400

約数和(自身を除く): 104700042

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 239, 342, 478, 717, 991, 1434, 1982, 2151, 2973, 4302, 4541, 5946, 8919, 9082, 13623, 17838, 18829, 27246, 37658, 40869, 56487, 81738, 112974, 169461, 236849, 338922, 473698, 710547, 1421094, 2131641, 4263282, 4500131, 9000262, 13500393, 27000786, 40501179, 81002358]

約数ペア:

[(1, 81002358), (2, 40501179), (3, 27000786), (6, 13500393), (9, 9000262), (18, 4500131), (19, 4263282), (38, 2131641), (57, 1421094), (114, 710547), (171, 473698), (239, 338922), (342, 236849), (478, 169461), (717, 112974), (991, 81738), (1434, 56487), (1982, 40869), (2151, 37658), (2973, 27246), (4302, 18829), (4541, 17838), (5946, 13623), (8919, 9082)]