213980008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{4993}}^1$

素因数の和:5497

約数の個数: 32

約数和(自身を含む): 438672960

約数和(自身を除く): 224692952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 487, 974, 1948, 3896, 4993, 5357, 9986, 10714, 19972, 21428, 39944, 42856, 54923, 109846, 219692, 439384, 2431591, 4863182, 9726364, 19452728, 26747501, 53495002, 106990004, 213980008]

約数ペア:

[(1, 213980008), (2, 106990004), (4, 53495002), (8, 26747501), (11, 19452728), (22, 9726364), (44, 4863182), (88, 2431591), (487, 439384), (974, 219692), (1948, 109846), (3896, 54923), (4993, 42856), (5357, 39944), (9986, 21428), (10714, 19972)]