128913768

素因数分解:

$2^3\times 3^4\times {\mathrm{198941}}^1$

素因数の和:198959

約数の個数: 40

約数和(自身を含む): 361079730

約数和(自身を除く): 232165962

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 198941, 397882, 596823, 795764, 1193646, 1591528, 1790469, 2387292, 3580938, 4774584, 5371407, 7161876, 10742814, 14323752, 16114221, 21485628, 32228442, 42971256, 64456884, 128913768]

約数ペア:

[(1, 128913768), (2, 64456884), (3, 42971256), (4, 32228442), (6, 21485628), (8, 16114221), (9, 14323752), (12, 10742814), (18, 7161876), (24, 5371407), (27, 4774584), (36, 3580938), (54, 2387292), (72, 1790469), (81, 1591528), (108, 1193646), (162, 795764), (216, 596823), (324, 397882), (648, 198941)]