161972752

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1223

約数の個数: 40

約数和(自身を含む): 320614400

約数和(自身を除く): 158641648

約数列:

[1, 2, 4, 8, 16, 79, 127, 158, 254, 316, 508, 632, 1009, 1016, 1264, 2018, 2032, 4036, 8072, 10033, 16144, 20066, 40132, 79711, 80264, 128143, 159422, 160528, 256286, 318844, 512572, 637688, 1025144, 1275376, 2050288, 10123297, 20246594, 40493188, 80986376, 161972752]

約数ペア:

[(1, 161972752), (2, 80986376), (4, 40493188), (8, 20246594), (16, 10123297), (79, 2050288), (127, 1275376), (158, 1025144), (254, 637688), (316, 512572), (508, 318844), (632, 256286), (1009, 160528), (1016, 159422), (1264, 128143), (2018, 80264), (2032, 79711), (4036, 40132), (8072, 20066), (10033, 16144)]