127641808

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21503}}^1$

素因数の和:21571

約数の個数: 40

約数和(自身を含む): 287981568

約数和(自身を除く): 160339760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 21503, 43006, 86012, 150521, 172024, 301042, 344048, 602084, 1139659, 1204168, 2279318, 2408336, 4558636, 7977613, 9117272, 15955226, 18234544, 31910452, 63820904, 127641808]

約数ペア:

[(1, 127641808), (2, 63820904), (4, 31910452), (7, 18234544), (8, 15955226), (14, 9117272), (16, 7977613), (28, 4558636), (53, 2408336), (56, 2279318), (106, 1204168), (112, 1139659), (212, 602084), (371, 344048), (424, 301042), (742, 172024), (848, 150521), (1484, 86012), (2968, 43006), (5936, 21503)]