248851185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 466145280

約数和(自身を除く): 217294095

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 79, 85, 165, 187, 237, 255, 395, 561, 869, 935, 1123, 1185, 1343, 2607, 2805, 3369, 4029, 4345, 5615, 6715, 12353, 13035, 14773, 16845, 19091, 20145, 37059, 44319, 57273, 61765, 73865, 88717, 95455, 185295, 210001, 221595, 266151, 286365, 443585, 630003, 975887, 1050005, 1330755, 1508189, 2927661, 3150015, 4524567, 4879435, 7540945, 14638305, 16590079, 22622835, 49770237, 82950395, 248851185]

約数ペア:

[(1, 248851185), (3, 82950395), (5, 49770237), (11, 22622835), (15, 16590079), (17, 14638305), (33, 7540945), (51, 4879435), (55, 4524567), (79, 3150015), (85, 2927661), (165, 1508189), (187, 1330755), (237, 1050005), (255, 975887), (395, 630003), (561, 443585), (869, 286365), (935, 266151), (1123, 221595), (1185, 210001), (1343, 185295), (2607, 95455), (2805, 88717), (3369, 73865), (4029, 61765), (4345, 57273), (5615, 44319), (6715, 37059), (12353, 20145), (13035, 19091), (14773, 16845)]