248970865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20483}}^1$

素因数の和:20529

約数の個数: 32

約数和(自身を含む): 371661696

約数和(自身を除く): 122690831

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 20483, 102415, 225313, 266279, 348211, 1126565, 1331395, 1741055, 2929069, 3830321, 4526743, 14645345, 19151605, 22633715, 49794173, 248970865]

約数ペア:

[(1, 248970865), (5, 49794173), (11, 22633715), (13, 19151605), (17, 14645345), (55, 4526743), (65, 3830321), (85, 2929069), (143, 1741055), (187, 1331395), (221, 1126565), (715, 348211), (935, 266279), (1105, 225313), (2431, 102415), (12155, 20483)]