211055935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 283201920

約数和(自身を除く): 72145985

約数列:

[1, 5, 17, 23, 85, 89, 115, 391, 445, 1213, 1513, 1955, 2047, 6065, 7565, 10235, 20621, 27899, 34799, 103105, 107957, 139495, 173995, 474283, 539785, 1835269, 2371415, 2483011, 9176345, 12415055, 42211187, 211055935]

約数ペア:

[(1, 211055935), (5, 42211187), (17, 12415055), (23, 9176345), (85, 2483011), (89, 2371415), (115, 1835269), (391, 539785), (445, 474283), (1213, 173995), (1513, 139495), (1955, 107957), (2047, 103105), (6065, 34799), (7565, 27899), (10235, 20621)]