64971942

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1233

約数の個数: 48

約数和(自身を含む): 151990272

約数和(自身を除く): 87018330

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 223, 294, 446, 669, 991, 1338, 1561, 1982, 2973, 3122, 4683, 5946, 6937, 9366, 10927, 13874, 20811, 21854, 32781, 41622, 48559, 65562, 97118, 145677, 220993, 291354, 441986, 662979, 1325958, 1546951, 3093902, 4640853, 9281706, 10828657, 21657314, 32485971, 64971942]

約数ペア:

[(1, 64971942), (2, 32485971), (3, 21657314), (6, 10828657), (7, 9281706), (14, 4640853), (21, 3093902), (42, 1546951), (49, 1325958), (98, 662979), (147, 441986), (223, 291354), (294, 220993), (446, 145677), (669, 97118), (991, 65562), (1338, 48559), (1561, 41622), (1982, 32781), (2973, 21854), (3122, 20811), (4683, 13874), (5946, 10927), (6937, 9366)]