209989884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{18959}}^1$

素因数の和:19050

約数の個数: 48

約数和(自身を含む): 535127040

約数和(自身を除く): 325137156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 3692, 5538, 11076, 18959, 37918, 56877, 75836, 113754, 227508, 246467, 492934, 739401, 985868, 1346089, 1478802, 2692178, 2957604, 4038267, 5384356, 8076534, 16153068, 17499157, 34998314, 52497471, 69996628, 104994942, 209989884]

約数ペア:

[(1, 209989884), (2, 104994942), (3, 69996628), (4, 52497471), (6, 34998314), (12, 17499157), (13, 16153068), (26, 8076534), (39, 5384356), (52, 4038267), (71, 2957604), (78, 2692178), (142, 1478802), (156, 1346089), (213, 985868), (284, 739401), (426, 492934), (852, 246467), (923, 227508), (1846, 113754), (2769, 75836), (3692, 56877), (5538, 37918), (11076, 18959)]