1278247136

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{2349719}}^1$

素因数の和:2349746

約数の個数: 24

約数和(自身を含む): 2664582480

約数和(自身を除く): 1386335344

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 2349719, 4699438, 9398876, 18797752, 37595504, 39945223, 75191008, 79890446, 159780892, 319561784, 639123568, 1278247136]

約数ペア:

[(1, 1278247136), (2, 639123568), (4, 319561784), (8, 159780892), (16, 79890446), (17, 75191008), (32, 39945223), (34, 37595504), (68, 18797752), (136, 9398876), (272, 4699438), (544, 2349719)]