208889264

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{221281}}^1$

素因数の和:221348

約数の個数: 20

約数和(自身を含む): 411584520

約数和(自身を除く): 202695256

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 221281, 442562, 885124, 1770248, 3540496, 13055579, 26111158, 52222316, 104444632, 208889264]

約数ペア:

[(1, 208889264), (2, 104444632), (4, 52222316), (8, 26111158), (16, 13055579), (59, 3540496), (118, 1770248), (236, 885124), (472, 442562), (944, 221281)]