201969658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^2$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 357611040

約数和(自身を除く): 155641382

約数列:

[1, 2, 11, 19, 22, 38, 61, 89, 122, 178, 209, 418, 671, 979, 1159, 1342, 1691, 1958, 2318, 3382, 5429, 7921, 10858, 12749, 15842, 18601, 25498, 37202, 59719, 87131, 103151, 119438, 150499, 174262, 206302, 300998, 483181, 966362, 1134661, 1655489, 2269322, 3310978, 5314991, 9180439, 10629982, 18360878, 100984829, 201969658]

約数ペア:

[(1, 201969658), (2, 100984829), (11, 18360878), (19, 10629982), (22, 9180439), (38, 5314991), (61, 3310978), (89, 2269322), (122, 1655489), (178, 1134661), (209, 966362), (418, 483181), (671, 300998), (979, 206302), (1159, 174262), (1342, 150499), (1691, 119438), (1958, 103151), (2318, 87131), (3382, 59719), (5429, 37202), (7921, 25498), (10858, 18601), (12749, 15842)]