214916975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5557}}^1$

素因数の和:5604

約数の個数: 48

約数和(自身を含む): 347352768

約数和(自身を除く): 132435793

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2275, 2975, 5525, 5557, 7735, 27785, 38675, 38899, 72241, 94469, 138925, 194495, 361205, 472345, 505687, 661283, 972475, 1228097, 1806025, 2361725, 2528435, 3306415, 6140485, 8596679, 12642175, 16532075, 30702425, 42983395, 214916975]

約数ペア:

[(1, 214916975), (5, 42983395), (7, 30702425), (13, 16532075), (17, 12642175), (25, 8596679), (35, 6140485), (65, 3306415), (85, 2528435), (91, 2361725), (119, 1806025), (175, 1228097), (221, 972475), (325, 661283), (425, 505687), (455, 472345), (595, 361205), (1105, 194495), (1547, 138925), (2275, 94469), (2975, 72241), (5525, 38899), (5557, 38675), (7735, 27785)]