261283896

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{190997}}^1$

素因数の和:191028

約数の個数: 48

約数和(自身を含む): 744892200

約数和(自身を除く): 483608304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 190997, 381994, 572991, 763988, 1145982, 1527976, 1718973, 2291964, 3437946, 3628943, 4583928, 6875892, 7257886, 10886829, 13751784, 14515772, 21773658, 29031544, 32660487, 43547316, 65320974, 87094632, 130641948, 261283896]

約数ペア:

[(1, 261283896), (2, 130641948), (3, 87094632), (4, 65320974), (6, 43547316), (8, 32660487), (9, 29031544), (12, 21773658), (18, 14515772), (19, 13751784), (24, 10886829), (36, 7257886), (38, 6875892), (57, 4583928), (72, 3628943), (76, 3437946), (114, 2291964), (152, 1718973), (171, 1527976), (228, 1145982), (342, 763988), (456, 572991), (684, 381994), (1368, 190997)]