128213201

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 145129320

約数和(自身を除く): 16916119

約数列:

[1, 17, 23, 53, 269, 391, 529, 901, 1219, 4573, 6187, 8993, 14257, 20723, 28037, 105179, 142301, 242369, 327911, 476629, 2419117, 5574487, 7541953, 128213201]

約数ペア:

[(1, 128213201), (17, 7541953), (23, 5574487), (53, 2419117), (269, 476629), (391, 327911), (529, 242369), (901, 142301), (1219, 105179), (4573, 28037), (6187, 20723), (8993, 14257)]