201851573

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 266388480

約数和(自身を除く): 64536907

約数列:

[1, 7, 11, 19, 77, 133, 209, 281, 491, 1463, 1967, 3091, 3437, 5339, 5401, 9329, 21637, 37373, 37807, 58729, 65303, 102619, 137971, 411103, 718333, 965797, 1517681, 2621449, 10623767, 18350143, 28835939, 201851573]

約数ペア:

[(1, 201851573), (7, 28835939), (11, 18350143), (19, 10623767), (77, 2621449), (133, 1517681), (209, 965797), (281, 718333), (491, 411103), (1463, 137971), (1967, 102619), (3091, 65303), (3437, 58729), (5339, 37807), (5401, 37373), (9329, 21637)]