201891151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 260983296

約数和(自身を除く): 59092145

約数列:

[1, 7, 11, 53, 61, 77, 371, 427, 583, 671, 811, 3233, 4081, 4697, 5677, 8921, 22631, 35563, 42983, 49471, 62447, 248941, 300881, 346297, 472813, 544181, 2621963, 3309691, 3809267, 18353741, 28841593, 201891151]

約数ペア:

[(1, 201891151), (7, 28841593), (11, 18353741), (53, 3809267), (61, 3309691), (77, 2621963), (371, 544181), (427, 472813), (583, 346297), (671, 300881), (811, 248941), (3233, 62447), (4081, 49471), (4697, 42983), (5677, 35563), (8921, 22631)]